Solve for the missing information pertaining to each investment proposal. Using the tables in Exhibits 26-3 and 26-4, determine the present value of the following cash flows, discounted at an annual rate of 15 percent: a. $10,000 to be received 20 years from today b. $15,000 to be received annually for 10 years c. $10,000 to be received annually for five years, with an additional $12,000 salvage value epected at the end of the fifth year d. $30,000 to be received annually for the first three years, followed by $20,000 received annually for the next two ears (total of five years in which cash is received)