9. Mauricio is considering two options from a bank. Option A: deposits $160 monthly with an interest rate of 4% per annum, compounded monthly. Option B: deposits $50 weekly with an interest rate of 3.8% per annum, compounded weekly. Which of the following should be used to decide which option is better? a. use the present value of an ordinary simple annuity formula twice b. use the present value formula twice c. use the future value formula twice d. use the future value of an ordinary simple annuity formula twice e. use the simple interest formula twice 10. The conditions of a loan is as follows: In the first 3 years, the interest rate is 7% per year, compounded annually. In the last 2 years, the interest rate is 8% per year, compounded monthly. Payment of the loan is to be made after 5 years. Debra has to pay $6239.83 five years from now. How much has she borrowed? $8965.63 b. $4293.58 $5093.56 d. $4342.75 none of the above a. c. e