Solve for the unknown interest rate in each of the following:

Complete the following analysis. Do not hard code values in your calculations. All answers should be positive.

$\backslash$table$[[$Present value,Years,Interest rate,Future value$],[$$$,181,4,,$$$,297],[$$$,335,18,,$$$,1,080],[$$$,48,000,19,,$$$,185,382],[$$$,40,353,25,,$$$,531,618]]$