11. Problem 4-10 (Present and Future Values of Single Cash Flows for Different Interest Rates) Present and Future Values of Single Cash Flows for Different Interest Rates not round intermediate calculations. Round your answers to the nearest cent. a. An initial $800 compounded for 10 years at 6%. $ b. An initial $800 compounded for 10 years at 12%. $ c. The present value of $800 due in 10 years at a 6% discount rate. $ d. The present value of $800 due in 10 years at a 12% discount rate. $