Answers for 37-44

Unit 9.3 Compound interest For Problems 37-39, calculate the periodic rate. 37. 6% compounded semiannually 38. 9% compounded quarterly 39. 10.5% compounded monthly 40. Laurie Ingalls loans a friend $400 at 5% simple interest for 3 years. What is the maturity value? 41. Troy Woods deposits $400 in a savings account. The money is left on deposit for 3 years earning 5% compounded annually. Calculate the account balance at the end of 3 years. 42. Isaac Franco deposits $400 in a savings account. The money is left on deposit for 3 years earning 5% compounded semiannually. Calculate the account balance at the end of 3 years. Do not round intermediate results. 43. Refer to Problems 40-42. Who ended up with the most money, and why? 44. You just received your yearly bonus from work and have decided to deposit the money in a savings account. Your bank pays 5.75% compounded quarterly, and your credit union pays 5.85% compounded annually. Determine which rate provides the greater return by calculating the APY for each