two separate problems, please solve.

Problem 4-4 Calculating Interest Rates (LO 3] 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 Years Interest Rate % $ 735 6 925 7 Future Value $ 1,421 1,758 143,832 316,815 18 17,000 72,300 21 Problem 4-5 Calculating the Number of Periods (LO 4] Solve for the unknown number of years in each of the following: (Do not roun intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) Present Value Years Interest Rate $ 850 11 % 9 2,541 34,005 Future Value $ 1,705 4,300 393,120 216,356 14 33,700 21