To solve these time value problems, you may use the time value functions on your calculator and then check your answers using the formulas presented in the text. a. 1. What is the present value of. $100,000 in 5 years at 9 percent? b. $100,000 in 10 years at 9 percent? $100,000 in 20 years at 9 percent? c. a 2. If you invest $10,000 today, how much will you have: in 5 years at 10 percent? b. in 10 years at 10 percent? in 20 years at 10 percent? d. in 20 years at 10 percent (compounded semiannually)? C. a. 3. How much would you have to invest today to receive. $100,000 in 6 years at 12 percent? b. $100,000 in 15 years at 12 percent? $10,000 at the end of each year for 25 years at 12 percent? d. $75,000 at the end of each year for 25 years at 12 percent? C