Solve for the unknown number of years in each of the following: (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) PV IY FV N $195 8% $873 19.48 $2,105 11% $3,500 4.87 $47,800 10% $326,500 20.16 $38,650 10% $213,380 17.93