please answer

7a. If an investment of $10,000 today earns 9% in each of the next two years, and then earns 5% per year for three years after that, how much will the investment be worth at the end of the five years? a. $13,300 b. $13,754 c. $13,794 d. $14,402 7b. You have just been notified that you won the lottery. You will be paid 10 annual payments of $1,000,000, with the first one starting today. Using an interest rate of 7% (annual compounding), how much did you really win (in terms of present value)? a. $6,345,879.98 b. $7,246,887,91 c. $7,515,232.25 d. $10,000,000.00 7c. Quincy Enterprises issued a bond having a par value of $1,000, a 5 year life and a 7.6% coupon rate. If interest is paid semiannually and the discount rate is 6.4% rate of return, what is the current value of the bond? a. $878.06 b. $964.11 c. $1,050.66 d. $1,303.98