This document contains two calculation exercises: 1. It calculates the payment schedule and amortization for a 80 million bolivar debt taken at 28% annual interest compounded quarterly over 1 year with quarterly payments. The quarterly payment is 23.6 million bolivars. 2. It calculates the payment schedule for a 60 million bolivar loan for travel at 16% annual interest compounded monthly over 12 months. The monthly payment is 5.4 million bolivars. Both exercises use formulas to calculate interest and amortization over the payment periods and show the remaining balance after each payment.