What is the present value of the following? Use AppendixBasanapproximateanswer,butcalculateyourfinalanswerusingthe formula and financial calculator methods. a. $8,700 in 9 years at 7 percent? Note: Do not round intermediate calculations. Round your final answer to 2 decimal places. b. $17,800 in 4 years at 8 percent? Note: Do not round intermediate calculations. Round your final answer to 2 decimal places. c. $27,500 in 12 years at 11 percent? Note: Do not round intermediate calculations. Round your final answer to 2 decimal places