Your grandfather has offered you a choice of one of the three following alternatives. $15,000 now, $8,000 a year for seven years; or $112,000 at the end of seven years. (Use a Financial calculator to arrive ot the answers. Round the final answers to the nearest whole dollar.) a-1. Assuming you could eam 9 percent annually, compute the present value for the following amounts. 0.2. Which alternative should you choose? $112.000 received at the end of seven years $8,000 received each year for seven years \$15,000 received now b-1, if you could earn 12 percent annually, compute the present volue for the following amounts