How much would you have to invest today to receive the following? (Enter all answers as positive numbers.) a. $15,250 in 11 years at 7 percent (Round your answer to 2 decimal places.) b. $19,600 in 18 years at 11 percent. (Round your answer to 2 decimal places.) < Prev 3 of 13 Next > E oces c. $8,000 each year for 14 years at 8 percent. (Round your answer to 2 decimal places.)