Solve for the unknown interest rate in each of the following: (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Present Value 320 440 47,000 46,261 Years 3 17 18 20 Interest Rate % % % Future Value $ 384 1,411 234,893 438,339 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.) Present Value $ 490 740 17,700 20,800 Years Interest Rate 10 % 11 % 16 % 13 % Future Value $ 1,252 1,670 216,050 262,330