Solve for the unknown interest rate in each of the following (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.): Years 3 Interest Rate % Present Value $ 230 350 38,000 37,261 17 Future Value $ 269 972 163,663 300,405 18 20 Solve for the unknown number of years in each of the following (Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.): Years Present Value $ 620 870 19,000 22,100 Interest Rate 9 % 10 Future Value $ 1,619 2,071 328,714 480,952 17 15