33. value: 10.00 points Geppetto and Lewis decide that they would like to trade puzzles and puppets in order to better stock their toy store shelves. The table below compares their production possibilities schedules. Production Possibilities Schedules Geppetto Lewis Puzzles Puppets Puzzles Puppets 100   0 50   0   80   4 40   5  60   8 30 10   40 12 20 15   20 16 10 20     0 20   0 25 The two toy store owners agree to specialize and to trade 30 puzzles for 10 puppets. The terms of trade are still 3 puzzles for each puppet.      After they complete their trade, Geppetto will have  puzzles and  puppets and Lewis will have  puzzles and  puppets. 34. value: 10.00 points Ireland and Scotland both produce potatoes and sausages. The table below presents their production possibilities schedules. Production Possibilities Schedules Ireland Scotland Potatoes  (tons) Sausage  (tons) Potatoes  (tons) Sausage  (tons)     0 150     0 200 100 120   50 160 200   90 100 120 300   60 150   80 400   30 200   40 500     0 250     0 Using the three combined amounts of production, graph the combined production possibilities frontier for Ireland and Scotland.     Instructions:  Use the tool provided 'PPF' to plot the combined production possibilities frontier point by point (3 points total). 40. value: 10.00 points Barney decides to quit his job as a corporate accountant (which pays $10,000 a month) and go into business for himself as a certified public accountant. He decides not to rent office space downtown, but instead sets up shop in his converted garage apartment, which he could rent out for $300 a month if he wasn’t using it as his own office. He must purchase office supplies worth $75 a month, and his monthly electricity bill has increased by $50 now that he is working out of his home office. After six months of working from home, Barney has earned an average of $12,000 per month. a. What are Barney’s average monthly accounting profits?      $  b. What are Barney’s average monthly economic profits?      $  42. value: 10.00 points A young Thomas Edison makes 20 light bulbs a week in his dorm room. The parts for each light bulb cost $2.00. He sells each light bulb for $5.00. General Electric offers Thomas an executive job that pays $50.00 a week. Thomas’s weekly economic profit from making light bulbs is equal to: $. 43. value: 10.00 points Estella decides to set up a lemonade stand on a hot summer day. Before long, Estella’s friends all decide they would like to help. The table below shows what happens to the number of glasses of lemonade Estella and her friends can make in an hour. Lemonade Production Labor (workers) Total Product Average Product Marginal Product 0   0 — — 1 (Estella)   9 — 2 18 3 24 4 28 5 25 e. How many additional glasses of lemonade can Estella produce if she has four friends help her rather than three friends help her?        glasse ...

1. 33.
value:
10.00 points
Geppetto and Lewis decide that they would like to trade puzzles
and puppets in order to better stock their toy store shelves. The
table below compares their production possibilities schedules.
Production Possibilities Schedules
Geppetto
Lewis
Puzzles
Puppets
Puzzles
Puppets
100
0
50
0
80
4
40
5
60
8
30
10
40
12
20
15
20
16

2. 10
20
0
20
0
25
The two toy store owners agree to specialize and to trade 30
puzzles for 10 puppets. The terms of trade are still 3 puzzles for
each puppet.
After they complete their trade, Geppetto will have puzzles
and puppets and Lewis will have puzzles and puppets.

3. 34.
value:
10.00 points
Ireland and Scotland both produce potatoes and sausages. The
table below presents their production possibilities schedules.
Production Possibilities Schedules
Ireland
Scotland
Potatoes
(tons)
Sausage
(tons)
Potatoes
(tons)
Sausage
(tons)
0
150
0
200
100
120
50
160
200
90
100
120
300
60

4. 150
80
400
30
200
40
500
0
250
0
Using the three combined amounts of production, graph the
combined production possibilities frontier for Ireland and
Scotland.
Instructions: Use the tool provided 'PPF' to plot the
combined production possibilities frontier point by point (3
points total).

5. 40.
value:
10.00 points
Barney decides to quit his job as a corporate accountant (which
pays $10,000 a month) and go into business for himself as a
certified public accountant. He decides not to rent office space
downtown, but instead sets up shop in his converted garage
apartment, which he could rent out for $300 a month if he
wasn’t using it as his own office. He must purchase office
supplies worth $75 a month, and his monthly electricity bill has
increased by $50 now that he is working out of his home
office. After six months of working from home, Barney has
earned an average of $12,000 per month.
a. What are Barney’s average monthly accounting profits?
$
b. What are Barney’s average monthly economic profits?
$

6. 42.
value:
10.00 points
A young Thomas Edison makes 20 light bulbs a week in his
dorm room. The parts for each light bulb cost $2.00. He sells
each light bulb for $5.00. General Electric offers Thomas an
executive job that pays $50.00 a week. Thomas’s weekly
economic profit from making light bulbs is equal to:
$.
43.
value:
10.00 points
Estella decides to set up a lemonade stand on a hot summer
day. Before long, Estella’s friends all decide they would like to

7. help. The table below shows what happens to the number of
glasses of lemonade Estella and her friends can make in an
hour.
Lemonade Production
Labor (workers)
Total Product
Average Product
Marginal Product
0
0
—
—
1 (Estella)
9
—
2
18
3
24
4
28
5
25
e. How many additional glasses of lemonade can Estella

8. produce if she has four friends help her rather than three friends
help her?
glasses
f. If Estella has four friends help her, on average how many
glasses of lemonade can the five friends make per hour?
glasses
44.
value:
10.00 points
Marcel leases a garage. He must pay $500 every week for his
lease regardless of how many cars he fixes. The number of cars

9. he fixes each week depends on how many mechanics he
hires. The table below summarizes his cost information.
Garage Costs
Output
Total Fixed Cost
(dollars)
Total Variable Cost
(dollars)
Total Cost
(dollars)
0
$500
$ 0
$ 500
10
500
500
20
1,000
30
1,500
40
2,500
50

10. 3,000
Graph the total fixed cost, total variable cost, and total cost
curves from the data in the table. Use only the first and last data
point for each curve.
Instructions: Use the tools provided 'Total Fixed Cost,' 'Total
Var. Cost,' and 'Total Cost' to plot each curve (2 points for each
curve; 6 points total).

11. 62. value:
10.00 points
Tom likes to collect Batman and Superman comic books. The
table below presents his total and marginal utilities for both
types of comic books.
Tom’s Comic Book Utility
Batman Comics
Superman Comics
Quantity
Total Utility
Marginal Utility
Quantity
Total Utility
Marginal Utility
0
0
—
0
0
—
1
40
40

12. 1
58
58
2
68
28
2
92
34
3
88
20
3
106
14
4
94
6
4
110
4
5
94
0
5
112
2
6
84
–10

13. 6
112
0
7
64
–20
7
104
–8
a. The price of a Batman comic book is $1. The price of a
Superman comic book is $2. Fill in the values for the marginal
utility per dollar for Batman and Superman comic books in the
table below.
Tom’s Marginal Utility per Dollar for Comic Books
Batman Comics
Superman Comics
Quantity
Marginal Utility per Dollar
Quantity
Marginal Utility per Dollar
0
—
0
—
1
1
2

14. 2
3
3
4
4
5
5
6
6
7
7
b. Suppose Tom has $5 to spend on Batman and Superman
comic books (nothing else matters to Tom). If Tom wants to
maximize his utility, how many of each should he buy?
Batman comic(s) and Superman comic(s)

15. c. Suppose Tom has $10 to spend on Batman and Superman
comic books (nothing else matters to Tom). If Tom wants to
maximize his utility, how many of each should he buy?
Batman comic(s) and Superman comic(s)
9
8
6
7
4
5
1000
500
1500
500
2000
70
2500
(Click to select)

16. Personal Trainer Case Study ISY00243 2016 Page 1
CASE STUDY PART 1
INTRODUCTION
Personal Trainer, Inc, owns and operates fitness centres in
various cities in Victoria and
southern NSW. The fitness centres have done well, and the
company is planning an
expansion by opening a new “supercentre” in Brisbane,
Queensland.
BACKGROUND
Kate Umi, CEO, heads Personal Trainer’s management team.
Three managers report to her
at the firm’s Melbourne headquarters: Janet McDonald,
manager, finance; Tai Tranh,
manager, sales and marketing; and Ryan Curry, manager,
operations. The managers who
run the 12 existing centres all report to Ryan. Kate wants the
new supercentre in Brisbane to
emphasis a wide variety of personal services and special
programs for members. If the
supercentre approach is successful, it will become the model for
Personal Trainer’s future
growth. Kate personally selected Jason Lewis, a manager with
three years of fitness centre
experience, to run the new facility.
The new supercentre will feature a large exercise area with
state-of-the-art equipment, a
swimming pool, a sporting goods shop, a health food store, and
a snack bar – with healthy

17. snacks, of course! In addition, the centre will offer child care
with special programs for
various ages, and a computer café. Kate also wants members to
have online access to
customised training programs and progress reports.
The Personal Trainer business currently uses AllAccounts, a
popular accounting package, to
manage its receivables, payables and general ledger.
Membership lists and word processing
are handled with Microsoft Office products Excel and Word.
Kate believes the new
supercentre will require additional data management capability,
and she decided to hire
Patterson and Wilder, an IT consulting firm, to help Personal
Trainer, Inc, to develop an
information system for the new operation. The firm assigned
Sarah Parkly, an experienced
consultant, to work with the Personal Trainer team. Sarah’s first
task was to learn more
about business operations at the new centre, so she requested a
meeting with Jason. After
introducing themselves, there was a discussion about the new
information system. The
transcript of their meeting is on the next page.
Note:
This case study is to be used throughout this Session, to answer
questions in set activities, which
will be compiled into a report. Part A of this report, an “Initial
Investigation” is to be submitted at
the end of Week 6. The final report (including your Part A
adjusted after marker feedback) is to be
submitted in Week 12.
You should use all relevant parts of the case study to inform
your answers for the report.

18. Personal Trainer Case Study ISY00243 2016 Page 2
ACTIVITY 1
1. Use the background information to create a short summary
(one short paragraph)
about the “Personal Trainer” business.
2. Create an organisation chart for the Personal Trainer
business.
3. Use the information above to describe the area of the
organisation under study (i.e.
the business functions that will be handled by the new
information system).
4. Add the background information, organisation chart, and
business functions to your
Report document in Part A: Initial Investigation.
Sarah: Tell me about your plans for the new operation. I’m
especially interested in what kind of
information management you’ll need.
Jason: Kate thinks that we’ll need more information support
because of the size and complexity
of the new operation. To tell the truth, I’m not so sure. We’ve
had no problems with
AllAccounts at the other centres and I don’t really want to
reinvent the wheel.
Sarah: Maybe we should start by looking at the similarities –

19. and the differences – between the
new centre and the existing ones.
Jason: OK, let’s do that. First of all, we offer the same basic
services everywhere. That includes
the exercise equipment, a pool, and in most centres, a snack bar.
Some centres also sell
sporting goods, and one offers child care – but not child-fitness
programmes. It’s true that
we’ve never put all this together under one roof. And, I admit,
we’ve never offered online
access. To be honest, I’m not absolutely sure what Kate has in
mind when she talks about
24/7 Web-based access. One more feature – we plan to set up
two levels of membership
– let’s call them silver and gold for now. Silver members can
use all the basic services, but
will pay additional fees for some special programs, such as
child fitness. Gold members
will have unlimited use of all services.
Sarah: So with all this going on, wouldn’t an overall system
make your job easier?
Jason: Yes, but I don’t know where to start.
Sarah: Jason, that’s why I’m here. I’ll work with you and the
rest of the team to come up with a
solution that supports your business.
Jason: Sounds good to me. When can we start?
Sarah: Let’s get together first thing tomorrow. Bring along an
organisation chart and think about
how you plan to run the new facility. We’ll try to build a model
of the new operation so

20. we can identify the system capabilities and the business
benefits.
Personal Trainer Case Study ISY00243 2016 Page 3
CASE STUDY PART 2
At their initial meeting, Sarah and Jason discussed some initial
steps in planning an
information system for the new facility. The next morning, they
worked together on a
business profile, and talked together about various types of
information systems that would
provide the best support for the supercentre’s operations.
Sarah starts creating a System Vision Document for the new
Personal Trainer system, so she
can use this to define a vision for the new system.
ACTIVITY 2
1. Either by yourself or with another class member, brainstorm
all the functions that
the Personal Trainer system might fulfil. Keep it at a very high
level.
2. Prepare a draft System Vision Document for the new Personal
Trainer system. This
System Vision Document will be revised when you find out
more about the
requirements for the system. An example System Vision
Document can be seen in
Figure 1.8 of your textbook (Figure 1.5 in the 6th ed).
3. Add your System Vision Document to your Report document

21. in Part A: Initial
Investigation.
CASE STUDY PART 3
In this section, you are acting as a student intern at Personal
Trainer, working on the new
Information System. Sarah has asked you to help her plan the
new information system
project, as she knows that you have studied project management
tools and techniques.
Specifically, she wants you to get ready for the next set of
systems development tasks,
which will be requirements modelling for the new system.
Yesterday, Sarah called you into
her office to discuss the specific tasks she wants you to
perform. After meeting with Sarah,
you sit down and review your notes. She wants you to treat the
set of tasks as a project, and
to use project management skills to plan the tasks.
Here is what she suggested to you to you as a work breakdown
structure, including the
duration she estimated for each task:
First, you need to meet with fitness centre managers at other
Personal Trainer
locations (5 days);
You can then conduct a series of interviews (5 days);
Personal Trainer Case Study ISY00243 2016 Page 4

22. When the interviews are complete, you can review company
records (3 days) while
observing business operations (8 days);
When you have reviewed the records and observed business
operations, you can
o analyse the AllAccounts accounting software (5 days) and
o study a sample of sales and billing transactions (2 days);
After completing your study, prepare a report for Sarah (1 day).
ACTIVITY 3
1. Create a table, listing all tasks separately, with their
duration;
2. Identify all dependencies, and indicate what predecessor
tasks are required;
3. Construct a Gantt chart in Microsoft Project or other project
management software;
4. Identify the PERT/CPM chart in the software, and identify
the critical path;
5. Determine the overall duration of the project;
6. Take clear screenshots of the Gantt chart and PERT/CPM
chart and paste into your
Report document in Part A: Initial Investigation under Project
Management.
7. Include the overall duration and critical path in your report.
CASE STUDY PART 4

23. As an analyst working on the development of the new system, it
is Sarah’s role to ensure
that the project is feasible. Some of the reasons that projects
fail are: incomplete
requirements, lack of executive support, lack of technical
support, poor project planning and
lack of required resources. At this stage, Sarah decides to do an
initial project feasibility
analysis, to see whether Personal Trainer should continue with
its plan for the new
information system.
ACTIVITY 4
1. What are the risks associated with this project? Create a list
of up to 10 risks and
their likelihood of happening (see Study Guide topic 4, activity
4.6 for an example of
how this should be set out).
2. Define the anticipated benefits of the new system. This
should include both tangible
and intangible benefits. Wherever possible, translate the
intangible benefits into
anticipated tangible benefits.
Personal Trainer Case Study ISY00243 2016 Page 5
3. Define the expected costs of the new system. Look at the
examples given in
workshop activities for some examples of expense categories. It
is ok to give
estimates at this point.

24. 4. Use two or more cost-benefit analysis techniques to decide
whether to proceed
with the project.
5. Create a new section in Part A of your report: Risk and Cost
Benefit Analysis. Insert
your work from above, and give a clear indication as to whether
it is feasible to
continue with the project.
6. Does the proposed system present a strong business case?
Why or why not? Include
a recommendation as to whether the system should proceed, as
the final part of
your preliminary report. The Preliminary Investigation part of
your Report can now
be submitted.
CASE STUDY PART 5
Sarah has given you a list of tasks to do, which include
interviewing staff at other Personal
Trainer locations. This is part of the investigation, where fact-
finding is conducted to find
out more about the requirements for the proposed system.
ACTIVITY 5
1. What fact-finding techniques, apart from interviews, would
you recommend to
Sarah, to find out the requirements for the new system?
2. Identify a staff member (make up their name) and their job
role at a Personal Trainer
location.
3. Develop a list of questions for an interview with this staff

25. member. Identify the time
anticipated for the interview. Review your topic on creating
interview questions, and
make sure you include suitable question types.
4. Include the interview plan in the Appendices for your Report.
5. Include the recommendations for other fact-finding
techniques, in your Report.
Personal Trainer Case Study ISY00243 2016 Page 6
CASE STUDY PART 6
During requirements modelling for the new system, Sarah
Parkly met with several fitness
centre managers at Personal Trainer locations. She conducted a
series of interviews,
reviewed company records, observed business operations,
analysed the AllAccounts
accounting software, and studied a sample of sales and billing
transactions. Sarah’s
objective was to develop a list of system requirements for the
proposed system. She found
the following:
A typical centre has 300-500 members, with two membership
levels: full and limited.
Full members have access to all activities. Limited members are
restricted to
activities they have selected, but they can participate in other
activities by paying an

26. additional usage fee. All members have credit privileges. Credit
purchases for
merchandise and services are currently recorded on a paper
credit slip, which is
signed by the member, to be invoiced at the end of the month.
At the end of each day, cash/EFTPOS sales and credit charge
amounts are entered
into the AllAccounts accounting software, which runs on an
office computer at each
location. Daily cash takings are deposited in a local bank in the
corporate Personal
Trainer account. The AllAccounts program produces a daily
activity report with a
listing of all sales transactions.
At the end of the month, the local manager uses AllAccounts to
transmit an accounts
receivable summary to the Personal Trainer head office in
Melbourne, where
member statements are prepared and mailed. Members mail their
payments to the
Personal Trainer head office, where the payment is applied to
the member account.
The AllAccounts program stores basic member information, but
does not include
information about member preferences, activities and history.
Currently the AllAccounts program produces one local report
(the daily activity
report) and three reports that are prepared at the head office
location: a monthly
member sales report, an exception report for inactive members
and late payers, and
a quarterly profit-and-loss report that shows a breakdown of

27. revenue and costs for
each separate activity.
During the interviews, Sarah received a number of “wish list”
comments from managers and
staff members. For example, managers want more analytical
features so they can spot
trends and launch special promotions and temporary discounts.
Managers also want better
information about the profitability of specific business
activities at their centres, instead of
bottom-line totals.
Several managers want to offer computerised activity and
wellness logs, fitness coaching for
seniors, and various social networking options, including email
communications, fitness
blogs, Facebook and Twitter posts. Staff members want better
ways to handle information
Personal Trainer Case Study ISY00243 2016 Page 7
about part-time instructors and trainers, and several people
suggested using scannable ID
cards to capture data.
ACTIVITY 6
1. Write down a list of the main functions needed to be handled
by the new system.
2. What are the roles that will be interacting with the system?
3. Using all the information that you know about the Personal
Trainer business so far,
create a use-case diagram for the new system.

28. 4. Select four use-cases and write a brief use-case description
for them.
5. Pick one of these use-cases and write a full use-case
description for it. Use an activity
diagram in the full description.
6. Include the following in your report:
the use-case diagram;
the brief use-case descriptions;
the full use-case description, including your activity diagram.
CASE STUDY PART 7
Sarah has been preparing the System Requirement report for
Kate Umi, Personal Trainer’s
CEO. From her investigation so far, Sarah is leaning towards a
recommendation for either in-
house development or outsourcing options for the new system.
She does not feel that a
commercial software package would meet Personal Trainer’s
needs.
Based on her research, Sarah felt that it would be premature to
select a development
strategy at this time. Instead, she recommended to Kate that an
in-house team should
develop a design prototype, using a relational database as a
model. Sarah said that the
prototype would have two main objectives:
it would represent a user-approved model of the new system,
and
it would identify all system entities and the relationships
between them.

29. Sarah explained that it would be better to design the basic
system first, and then address
other issues, including Web enhancements and implementation
options. She proposed a
three-step plan:
1. data design
2. user interface design, and
3. application architecture.
Personal Trainer Case Study ISY00243 2016 Page 8
She explained that systems analysts refer to this as the system
design phase of a
development project. Kate agreed with Sarah’s recommendation,
and asked her to go
forward with the plan.
ACTIVITY 7
1. Review the Personal Trainer fact-finding summary and all
other information you
have about the required system.
2. Draw an ERD with crows-foot cardinality notation. Assume
that system entities
include members, classes, merchandise, and fitness instructors
(at minimum).
3. Design tables – making sure each table only refers to one
“thing”. As you create the
database design, identify primary and foreign keys by
underlining primary keys, and
making foreign keys italic.

30. 4. If you add primary keys which use codes – for example a
code for the instructorID,
then identify the format of these codes.
5. Create suitable sample data to populate the fields for at least
three records in each
table.
6. Include the following in your report:
The ERD you have completed;
The database design (schemas);
Formats of codes used;
Sample data for each table.
CASE STUDY 8
Sarah is now making sure that she has sufficient models to
understand the new system. In
reviewing the models she has (use-cases diagrams, including
activity diagrams) she realised
that she had not included a system sequence diagram for any of
the use cases.
After creating this, she is ready to review the options for a new
system, and make a
recommendation to Kate Umi.
ACTIVITY 8
1. Create a system sequence diagram for one of the use cases
identified in Activity 6.
2. Add this system sequence diagram to your report in the
appropriate area.
3. Search online for potential commercial software packages for
Personal Trainer.

31. Identify two packages, and compare their features, and their
suitability to be used as
the new system.
Personal Trainer Case Study ISY00243 2016 Page 9
4. Present four options for the new system in your report. One
of these must be in-
house development, and two of the others may be the
commercial packages in (3)
above.
5. Review your feasibility analysis for the new system. Taking
all options into
consideration, make a recommendation for the new system, in
your “Conclusion and
Recommendations” section.
FINAL STEPS
Sarah has completed the content of her report, and now needs to
make sure that the report
is presented professionally, as it will be shown to the CEO,
managers of the existing centres
and Jason Lewis, the manager of the new supercentre in
Brisbane, as well as any potential
investors in the new system.
ACTIVITY 9
Ensure your report is professionally presented. This means your
report should include:
a title page, with the name of the Report, and the analyst’s
name (your name);

32. an executive summary;
a table of contents, with page numbers;
page numbers on all pages except the title page;
Headings, sub-headings, dot-points and numbering where
necessary. Headings
should be numbered or the structure should otherwise be easily
identified;
Appendices where necessary;
Formatting and whitespace (space where there is no text or
pictures) used
appropriately;
Page orientation used appropriately. For example, if you have
an ERD that will show
better in landscape orientation than portrait orientation
, set a Section break
(Page Layout > Breaks) before this page, set the page to
landscape and then set
another Section break to start the new page in portrait again.
Hand in your report via the Assignment Link on MySCU.