multiple choice - full points to the person who answers all questions correctly. Thanks 11. A series of equal payments made at equal intervals is known as a(n): a. annuity b. present value c. future value d. discount 12. An annuity due is an annuity where the payments occur at: a. the end of the year b. the beginning of the year c. the middle of the year d. any time throughout the year 13. Which of the following problems can be solved using present value of annuity tools? a. calculating a monthly car payment for a 5-year auto loan. b. determining how much money to invest each month to accumulate $100,000 in 10 year c. determining how much money you will accumulate in 6 years if you invest $5,000 a year d. calculating the value in 20 years of a $45,000 investment today. 14. An annuity that occurs forever is known as a(n); a. perpetuity b. fortuity