Problem 4-5 Calculating the Number of Periods [LO 4] 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 Years Interest Rate $ 1.200 8 % 2.891 6 Future Value $ 2,055 4,650 396,620 226,940 11 34,705 34,400 18 es