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# Study guide chapter3

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### Study guide chapter3

1. 1. OVERVIEWA dollar in the hand today is worth more than adollar to be received in the future because, if youhad it now, you could invest that dollar and earninterest. Of all the techniques used in finance,none is more important than the concept of thetime value of money, or discounted cash flow(DCF) analysis. The principles of time valueanalysis that are developed in this chapter havemany applications, ranging from setting upschedules for paying off loans to decisions aboutwhether to acquire new equipment.Future value and present value techniquescan be applied to a single cash flow (lump sum),ordinary annuities, annuities due, and unevencash flow streams. Future and present values canbe calculated using a regular calculator or acalculator with financial functions. Whencompounding occurs more frequently than oncea year, the effective rate of interest is greaterthan the quoted rate.The cash flow time line is one of the most important tools in time value of money analysis.Cash flow time lines help to visualize what is happening in a particular problem. Cash flowsare placed directly below the tick marks, and interest rates are shown directly above the timeline; unknown cash flows are indicated by question marks. Thus, to find the future value of\$100 after 5 years at 5 percent interest, the following cash flow time line can be set up:Time: 0 1 2 3 4 5| | | | | |Cash flows: -100 FV5 = ? A cash outflow is a payment, or disbursement, of cash for expenses, investments, and so on. A cash inflow is a receipt of cash from an investment, an employer, or other sources.Compounding is the process of determining the value of a cash flow or series of cash flowssome time in the future when compound interest is applied. The future value is the amountto which a cash flow or series of cash flows will grow over a given period of time whencompounded at a given interest rate. The future value can be calculated asCHAPTER 3THE TIME VALUE OF MONEYOUTLINE5%
2. 2. CHAPTER 3: THE TIME VALUE OF MONEY40FVn = PV(1 + k)n,where PV = present value, or beginning amount; k = interest rate per period; and n =number of periods involved in the analysis. This equation can be solved in one of two ways:numerically or with a financial calculator. For calculations, assume the following data thatwere presented in the time line above: present value (PV) = \$100, interest rate (k) = 5%, andnumber of years (n) = 5. Compounded interest is interest earned on interest. To solve numerically, use a regular calculator to find 1 + k = 1.05 raised to the fifth power,which equals 1.2763. Multiply this figure by PV = \$100 to get the final answer of FV5 =\$127.63. With a financial calculator, the future value can be found by using the time value of moneyinput keys, where N = number of periods, I = interest rate per period, PV = present value,PMT = annuity payment, and FV = future value. By entering N = 5, I = 5, PV = -100, andPMT = 0, and then pressing the FV key, the answer 127.63 is displayed. Some financial calculators require that all cash flows be designated as either inflows oroutflows, thus an outflow must be entered as a negative number (for example, PV =-100 instead of PV = 100). Some calculators require you to press a “Compute” key before pressing the FV key. A graph of the compounding process shows how any sum grows over time at variousinterest rates. The greater the rate of interest, the faster is the rate of growth. The interest rate is, in fact, a growth rate. The time value concepts can be applied to anything that is growing.Finding the present value of a cash flow or series of cash flows is called discounting, and it issimply the reverse of compounding. In general, the present value is the value today of afuture cash flow or series of cash flows. By solving for PV in the future value equation, thepresent value, or discounting, equation can be developed and written in several forms:PV = +=+ nnnnk)(11FVk)(1FV. To solve for the present value of \$127.63 discounted back 5 years at a 5% opportunity costrate, one can utilize either of the two solution methods: Numerical solution: Divide \$127.63 by 1.05 five times to get PV = \$100. Financial calculator solution: Enter N = 5, I = 5, PMT = 0, and FV = 127.63, and thenpress the PV key to get PV = -100.
3. 3. CHAPTER 3: THE TIME VALUE OF MONEY41 The opportunity cost rate is the rate of return on the best available alternative investment ofequal risk. A graph of the discounting process shows how the present value of any sum to be receivedin the future diminishes and approaches zero as the payment date is extended farther into thefuture. At relatively high interest rates, funds due in the future are worth very little today,and even at a relatively low discount rate, the present value of a sum due in the very distantfuture is quite small.The compounding and discounting processes are reciprocals, or inverses, of one another. Inaddition, there are four variables in the time value of money equations: PV, FV, k, and n. Ifthree of the four variables are known, you can find the value of the fourth. If we are given PV, FV, and n, we can determine k by substituting the known values intoeither the present value or future value equations, and then solving for k. Thus, if you canbuy a security at a price of \$78.35 which will pay you \$100 after 5 years, what is the interestrate earned on the investment? Numerical solution: Use a trial and error process to reach the 5% value for k. This is atedious and inefficient process. Alternatively, you could use algebra to solve the timevalue equation. Financial calculator solution: Enter N = 5, PV = -78.35, PMT = 0, and FV = 100, thenpress the I key, and I = 5 is displayed. Likewise, if we are given PV, FV, and k, we can determine n by substituting the knownvalues into either the present value or future value equations, and then solving for n. Thus, ifyou can buy a security with a 5 percent interest rate at a price of \$78.35 today, how longwill it take for your investment to return \$100? Numerical solution: Use a trial and error process to reach the value of 5 for n. This is atedious and inefficient process. The equation can also be solved algebraically. Financial calculator solution: Enter I = 5, PV = -78.35, PMT = 0, and FV = 100, thenpress the N key, and N = 5 is displayed.An annuity is a series of equal payments made at fixed intervals for a specified number ofperiods. If the payments occur at the end of each period, as they typically do, the annuity isan ordinary, or deferred, annuity. If the payments occur at the beginning of each period, itis called an annuity due. The future value of an ordinary annuity, FVAn, is the total amount one would have at theend of the annuity period if each payment were invested at a given interest rate and held tothe end of the annuity period. Defining FVAn as the future value of an ordinary annuity of n years, and PMT as theperiodic payment, we can write
4. 4. CHAPTER 3: THE TIME VALUE OF MONEY42FVAn = PMT +∑=−n1ttn)k1( = PMT +∑−=1n0tt)k1( = PMT  −+k1)k1( n. Using a financial calculator, enter N = 3, I = 5, PV = 0, and PMT = -100. Then pressthe FV key, and 315.25 is displayed. For an annuity due, each payment is compounded for one additional period, so thefuture value of the entire annuity is equal to the future value of an ordinary annuitycompounded for one additional period. Thus:FVA (DUE)n = PMT +× −+)k1(k1)k1( n. Most financial calculators have a switch, or key, marked “DUE” or “BEG” that permitsyou to switch from end-of-period payments (an ordinary annuity) to beginning-of-periodpayments (an annuity due). Switch your calculator to “BEG” mode, and calculate asyou would for an ordinary annuity. Do not forget to switch your calculator back to“END” mode when you are finished. The present value of an ordinary annuity, PVAn, is the single (lump sum) payment todaythat would be equivalent to the annuity payments spread over the annuity period. It is theamount today that would permit withdrawals of an equal amount (PMT) at the end (orbeginning for an annuity due) of each period for n periods. Defining PVAn as the present value of an ordinary annuity of n years and PMT as theperiodic payment, we can writePVAn = PMT +∑=n1tt)k1(1= PMT+−k)k1(11 n= PMT  +− −k)k1(1 n. Using a financial calculator, enter N = 3, I = 5, PMT = -100, and FV = 0, and then pressthe PV key, for an answer of \$272.32. One especially important application of the annuity concept relates to loans withconstant payments, such as mortgages and auto loans. With these amortized loans theamount borrowed is the present value of an ordinary annuity, and the paymentsconstitute the annuity stream. The present value for an annuity due isPVA (DUE)n = PMT+×+−)k1(k)k1(11 n.
5. 5. CHAPTER 3: THE TIME VALUE OF MONEY43 Using a financial calculator, switch to the “BEG” mode, and then enter N = 3, I = 5,PMT = -100, and FV = 0, and then press PV to get the answer, \$285.94. Again, do notforget to switch your calculator back to “END” mode when you are finished. You can solve for the interest rate (rate of return) earned on an annuity. To solve numerically, you must use the trial-and-error process and plug in differentvalues for k in the annuity equation to solve for the interest rate. You can use the financial calculator by entering the appropriate values for N, PMT, andeither FV or PV, and then pressing I to solve for the interest rate. You can solve for the number of periods (N) in an annuity. To solve numerically, you must use the trial-and-error process and plug in differentvalues for N in the annuity equation to solve for the number of periods. You can use the financial calculator by entering the appropriate values for I, PMT, andeither FV or PV, and then pressing N to solve for the number of periods.A perpetuity is a stream of equal payments expected to continue forever. The present value of a perpetuity is:PVP =kPMTrateInterestPayment= . For example, if the interest rate were 12 percent, a perpetuity of \$1,000 a year wouldhave a present value of \$1,000/0.12 = \$8,333.33. A consol is a perpetual bond issued by the British government to consolidate past debts; ingeneral, any perpetual bond. The value of a perpetuity changes dramatically when interest rates change.Many financial decisions require the analysis of uneven, or nonconstant, cash flows ratherthan a stream of fixed payments such as an annuity. An uneven cash flow stream is a seriesof cash flows in which the amount varies from one period to the next. The term payment, PMT, designates constant cash flows, while the term CF designates cashflows in general, including uneven cash flows. The present value of an uneven cash flow stream is the sum of the PVs of the individual cashflows of the stream. The PV is found by applying the following general present value equation:PV = ∑=+n1ttt)k1(1CF .
6. 6. CHAPTER 3: THE TIME VALUE OF MONEY44 With a financial calculator, enter each cash flow (beginning with the t = 0 cash flow) intothe cash flow register, CFj, enter the appropriate interest rate, and then press the NPVkey to obtain the PV of the cash flow stream. Be sure to clear the cash flow register before starting a new problem. Similarly, the future value of an uneven cash flow stream, or terminal value, is the sum ofthe FVs of the individual cash flows of the stream. The FV can be found by applying the following general future value equation:FVn = ∑=−+n1ttnt )k1(CF . Some calculators have a net future value (NFV) key which allows you to obtain the FVof an uneven cash flow stream. We generally are more interested in the present value of an asset’s cash flow stream than inthe future value because the present value represents today’s value, which we can comparewith the price of the asset. Once we know its present value, we can find the future value of an uneven cash flowstream by treating the present value as a lump sum amount and compounding it to thefuture period. If one knows the relevant cash flows, the effective interest rate can be calculated efficientlywith a financial calculator. Enter each cash flow (beginning with the t = 0 cash flow) intothe cash flow register, CFj, and then press the IRR key to obtain the interest rate of anuneven cash flow stream. IRR stands for internal rate of return, which is the return on an investment.Annual compounding is the arithmetic process of determining the final value of a cash flowor series of cash flows when interest is added once a year. Semiannual, quarterly, and othercompounding periods more frequent than on an annual basis are often used in financialtransactions. Compounding on a nonannual basis requires an adjustment to both thecompounding and discounting procedures discussed previously. Moreover, when comparingsecurities with different compounding periods, they need to be put on a common basis. Thisrequires distinguishing between the simple, or quoted, interest rate and the effective annualrate. The simple, or quoted, interest rate is the contracted, or quoted, interest rate that is used tocalculate the interest paid per period. The periodic rate is the interest rate charged per period.Periodic rate = Stated annual interest rate/Number of periods per year. The annual percentage rate, APR, is the periodic rate times the number of periods per year.
7. 7. CHAPTER 3: THE TIME VALUE OF MONEY45 The effective annual rate, EAR, is the rate that would have produced the final compoundedvalue under annual compounding. The effective annual rate is given by the following formula:Effective annual rate (EAR) = ,0.1mk1mSIMPLE−+where kSIMPLE is the simple, or quoted, interest rate (that is, the APR), and m is the numberof compounding periods (interest payments) per year. The EAR is useful in comparingsecurities with different compounding periods. For example, to find the effective annual rate if the simple rate is 6 percent and semiannualcompounding is used, we have:EAR = (1 + 0.06/2)2– 1.0 = 6.09%. For annual compounding use the formula to find the future value of a single payment (lumpsum):FVn = PV(1 + k)n. When compounding occurs more frequently than once a year, use this formula:FVn = PVnmSIMPLEmk1×+ .Here m is the number of times per year compounding occurs, and n is the number ofyears. The amount to which \$1,000 will grow after 5 years if quarterly compounding is applied toa nominal 8 percent interest rate is found as follows:FVn = \$1,000(1 + 0.08/4)(4)(5)= \$1,000(1.02)20= \$1,485.95. Financial calculator solution: Enter N = 20, I = 2, PV = -1000, and PMT = 0, and thenpress the FV key to find FV = \$1,485.95. The present value of a 5-year future investment equal to \$1,485.95, with an 8 percentnominal interest rate, compounded quarterly, is found as follows:.000,1\$)02.1(95.485,1\$PV/4)08.01(PV95.485,1\$20(4)(5)==+= Financial calculator solution: Enter N = 20, I = 2, PMT = 0, and FV = 1485.95, andthen press the PV key to find PV = -\$1,000.00. In general, nonannual compounding can be handled one of two ways.
8. 8. CHAPTER 3: THE TIME VALUE OF MONEY46 State everything on a periodic rather than on an annual basis. Thus, n = 6 periods ratherthan n = 3 years and k = 3% instead of k = 6% with semiannual compounding. Find the effective annual rate (EAR) with the equation below and then use the EAR asthe rate over the given number of years.EAR = .0.1mk1mSIMPLE−+An important application of compound interest involves amortized loans, which are paid offin equal installments over the life of the loan. The amount of each payment, PMT, is found using a financial calculator by entering N(number of years), I (interest rate), PV (amount borrowed), and FV = 0, and then pressingthe PMT key to find the periodic payment. Each payment consists partly of interest and partly of repayment of the amount borrowed(principal). This breakdown is often developed in a loan amortization schedule. The interest component is largest in the first period, and it declines over the life of theloan as the outstanding balance of the loan decreases. The repayment of principal is smallest in the first period, and it increases thereafter.The text discussion has involved three different interest rates. It is important to understandtheir differences. The simple, or quoted, rate, kSIMPLE, is the interest rate quoted by borrowers and lenders.This quotation must include the number of compounding periods per year. This rate is never shown on a time line, and it is never used as an input in a financialcalculator unless compounding occurs only once a year. kSIMPLE = Periodic rate × m = Annual percentage rate = APR. The periodic rate, kPER, is the rate charged by a lender or paid by a borrower each interestperiod. Periodic rate = kPER = kSIMPLE/m. The periodic rate is used for calculations in problems where two conditions hold:(1) payments occur on a regular basis more frequently than once a year, and (2) apayment is made on each compounding (or discounting) date. The APR, or annual percentage rate, represents the periodic rate stated on an annualbasis without considering interest compounding. The APR never is used in actualcalculations; it is simply reported to borrowers. The effective annual rate, EAR, is the rate with which, under annual compounding, wewould obtain the same result as if we had used a given periodic rate with m compoundingperiods per year. EAR is found as follows:
9. 9. CHAPTER 3: THE TIME VALUE OF MONEY47EAR = .0.1mk1mSIMPLE−+In Appendix 3A we discuss using spreadsheets to solve time value of money problems.In Appendix 3B we discuss using interest tables to solve time value of money problems.In Appendix 3C we discuss how to generate a loan amortization schedule using a financialcalculator.SELF-TEST QUESTIONSDefinitional1. A(n) ______ _________ is a payment, or disbursement, of cash for expenses, investments,and so on.2. A(n) ______ ________ is a receipt of cash from an investment, an employer, or othersources.3. _____________ is the process of determining the value of a cash flow or series of cashflows some time in the future.4. The ________ _______ is the amount to which a cash flow or series of cash flows will growover a given period of time when compounded at a given interest rate.5. The beginning value of an account or investment in a project is known as its ________________.6. Using a savings account as an example, the difference between the account’s present valueand its future value at the end of the period is due to __________ earned during the period.7. The expression PV(1 + k)ndetermines the ________ _______ of a sum at the end of ___periods.8. Finding the present value of a cash flow or series of cash flows is often referred to as_____________, and it is simply the reverse of the _____________ process.9. The _____________ ______ ______ is the rate of return on the best alternative investmentof equal risk.
10. 10. CHAPTER 3: THE TIME VALUE OF MONEY4810. A series of equal payments at fixed intervals for a specified number of periods is a(n)_________. If the payments occur at the end of each period it is a(n) __________ annuity,while if the payments occur at the beginning of each period it is an annuity _____.11. A(n) ____________ is a stream of equal payments expected to continue forever.12. The term PMT designates __________ cash flows, while the term CF designates cash flowsin general, including ________ cash flows.13. The present value of an uneven cash flow stream is the _____ of the PVs of the individualcash flows of the stream.14. Since different types of investments use different compounding periods, it is important todistinguish between the quoted, or ________, interest rate and the ___________ annualinterest rate, the rate that would have produced the final compound value under annualcompounding.15. ____________ time periods are used when payments occur within periods, instead of ateither the beginning or the end of periods.16. ___________ loans are paid off in equal installments over their lifetime and are an importantapplication of compound interest.17. The __________ rate is equal to the simple interest rate divided by the number ofcompounding periods per year.Conceptual18. If a bank uses quarterly compounding for savings accounts, the simple interest rate will begreater than the effective annual rate (EAR).a. True b. False19. If money has time value (that is, k > 0), the future value of some amount of money willalways be more than the amount invested. The present value of some amount to be receivedin the future is always less than the amount to be received.a. True b. False20. You have determined the profitability of a planned project by finding the present value of allthe cash flows from that project. Which of the following would cause the project to lookless appealing, that is, have a lower present value?a. The discount rate decreases.
11. 11. CHAPTER 3: THE TIME VALUE OF MONEY49b. The cash flows are received in later years (further into the future).c. The discount rate increases.d. Statements b and c are correct.e. Statements a and b are correct.21. As the discount rate increases without limit, the present value of a future cash inflowa. Gets larger without limit.b. Stays unchanged.c. Approaches zero.d. Gets smaller without limit; that is, approaches minus infinity.e. Goes to ek × n.
12. 12. CHAPTER 3: THE TIME VALUE OF MONEY5022. Which of the following statements is correct?a. Except in situations where compounding occurs annually, the periodic interest rateexceeds the simple interest rate.b. The effective annual rate always exceeds the simple interest rate, no matter how few ormany compounding periods occur each year.c. If compounding occurs more frequently than once a year, and if payments are made attimes other than at the end of compounding periods, it is impossible to determinepresent or future values, even with a financial calculator. The reason is that under theseconditions, the basic assumptions of discounted cash flow analysis are not met.d. Assume that compounding occurs quarterly, that the simple interest rate is 8 percent,and that you need to find the present value of \$1,000 due 10 months from today. Youcould get the correct answer by discounting the \$1,000 at 8.2432 percent for 10/12thsof a year.e. Statements a, b, c, and d are all false.SELF-TEST PROBLEMS(Note: In working these problems, you may get an answer which differs from ours by a few centsdue to differences in rounding. This should not concern you; just choose the closest answer.)1. Assume that you purchase a 6-year, 8 percent savings certificate for \$1,000. If interest iscompounded annually, what will be the value of the certificate when it matures?a. \$630.17 b. \$1,469.33 c. \$1,677.10 d. \$1,586.87 e. \$1,766.332. A savings certificate similar to the one in the previous problem is available with theexception that interest is compounded semiannually. What is the difference between theending value of the savings certificate compounded semiannually and the one compoundedannually?a. The semiannual certificate is worth \$14.16 more than the annual certificate.b. The semiannual certificate is worth \$14.16 less than the annual certificate.c. The semiannual certificate is worth \$21.54 more than the annual certificate.d. The semiannual certificate is worth \$21.54 less than the annual certificate.e. The semiannual certificate is worth the same as the annual certificate.3. A friend promises to pay you \$600 two years from now if you loan him \$500 today. Whatannual interest rate is your friend offering?a. 7.55% b. 8.50% c. 9.54% d. 10.75% e. 11.25%4. At an inflation rate of 9 percent, the purchasing power of \$1 would be cut in half in just over 8
13. 13. CHAPTER 3: THE TIME VALUE OF MONEY51years (some calculators round to 9 years). How long, to the nearest year, would it take forthe purchasing power of \$1 to be cut in half if the inflation rate were only 4 percent?a. 12 years b. 15 years c. 18 years d. 20 years e. 23 years5. You are offered an investment opportunity with the “guarantee” that your investment willdouble in 5 years. Assuming annual compounding, what annual rate of return would thisinvestment provide?a. 40.00% b. 100.00% c. 14.87% d. 20.00% e. 18.74%6. You decide to begin saving toward the purchase of a new car in 5 years. If you put \$1,000at the end of each of the next 5 years in a savings account paying 6 percent compoundedannually, how much will you accumulate after 5 years?a. \$6,691.13 b. \$5,637.09 c. \$1,338.23 d. \$5,975.32 e. \$5,731.947. Refer to Self-Test Problem 6. What would be the ending amount if the payments weremade at the beginning of each year?a. \$6,691.13 b. \$5,637.09 c. \$1,338.23 d. \$5,975.32 e. \$5,731.948. Refer to Self-Test Problem 6. What would be the ending amount if \$500 payments weremade at the end of each 6-month period for 5 years and the account paid 6 percentcompounded semiannually?a. \$6,691.13 b. \$5,637.09 c. \$1,338.23 d. \$5,975.32 e. \$5,731.949. Calculate the present value of \$1,000 to be received at the end of 8 years. Assume aninterest rate of 7 percent.a. \$582.01 b. \$1,718.19 c. \$531.82 d. \$5,971.30 e. \$649.37
14. 14. CHAPTER 3: THE TIME VALUE OF MONEY5210. Jane Smith has \$20,000 in a brokerage account, and she plans to contribute an additional\$7,500 to the account at the end of every year. The brokerage account has an expectedannual return of 8 percent. If Jane’s goal is to accumulate \$375,000 in the account, howmany years will it take for Jane to reach her goal?a. 5.20 b. 10.00 c. 12.50 d. 16.33 e. 18.4011. How much would you be willing to pay today for an investment that would return \$800each year at the end of each of the next 6 years? Assume a discount rate of 5 percent.a. \$5,441.53 b. \$4,800.00 c. \$3,369.89 d. \$4,060.55 e. \$4,632.3712. You have applied for a mortgage of \$60,000 to finance the purchase of a new home. Thebank will require you to make annual payments of \$7,047.55 at the end of each of the next20 years. Determine the interest rate in effect on this mortgage.a. 8.0% b. 9.8% c. 10.0% d. 5.1% e. 11.2%13. If you would like to accumulate \$7,500 over the next 5 years, how much must you depositeach six months, starting six months from now, given a 6 percent interest rate andsemiannual compounding?a. \$1,330.47 b. \$879.23 c. \$654.23 d. \$569.00 e. \$732.6714. A company is offering bonds that pay \$100 per year indefinitely. If you require a 12 percentreturn on these bonds (that is, the discount rate is 12 percent), what is the value of eachbond?a. \$1,000.00 b. \$962.00 c. \$904.67 d. \$866.67 e. \$833.3315. What is the present value (t = 0) of the following cash flows if the discount rate is 12percent?0 1 2 3 4 5| | | | | |0 2,000 2,000 2,000 3,000 -4,000a. \$4,782.43 b. \$4,440.51 c. \$4,221.79 d. \$4,041.23 e. \$3,997.9816. What is the effective annual percentage rate (EAR) of 12 percent compounded monthly?a. 12.00% b. 12.55% c. 12.68% d. 12.75% e. 13.00%17. Martha Mills, manager of Plaza Gold Emporium, wants to sell on credit, giving customers 3months in which to pay. However, Martha will have to borrow from her bank to carry the12%
15. 15. CHAPTER 3: THE TIME VALUE OF MONEY53accounts receivable. The bank will charge a simple 16 percent, but with monthlycompounding. Martha wants to quote a simple interest rate to her customers (all of whomare expected to pay on time at the end of 3 months) which will exactly cover her financingcosts. What simple annual rate should she quote to her credit customers?a. 15.44% b. 19.56% c. 17.23% d. 16.21% e. 18.41%18. Self-Test Problem 12 refers to a 20-year mortgage of \$60,000. This is an amortized loan.How much principal will be repaid in the second year?a. \$1,152.30 b. \$1,725.70 c. \$5,895.25 d. \$7,047.55 e. \$1,047.5519. You have \$1,000 invested in an account that pays 16 percent compounded annually. Acommission agent (called a “finder”) can locate for you an equally safe deposit that will pay16 percent, compounded quarterly, for 2 years. What is the maximum amount you shouldbe willing to pay him now as a fee for locating the new account?a. \$10.92 b. \$13.78 c. \$16.14 d. \$16.78 e. \$21.1320. The present value (t = 0) of the following cash flow stream is \$11,958.20 when discountedat 12 percent annually. What is the value of the missing t = 2 cash flow?0 1 2 3 4| | | | |PV = 11,958.20 2,000 ? 4,000 4,000a. \$4,000.00 b. \$4,500.00 c. \$5,000.00 d. \$5,500.00 e. \$6,000.0021. Today is your birthday, and you decide to start saving for your college education. You willbegin college on your 18th birthday and will need \$4,000 per year at the end of each of thefollowing 4 years. You will make a deposit one year from today in an account paying 12percent annually and continue to make an identical deposit each year up to and including theyear you begin college. If a deposit amount of \$2,542.05 will allow you to reach your goal,what birthday are you celebrating today?a. 13 b. 14 c. 15 d. 16 e. 1712%