please answer all parts

First City Bank pays 8 percent simple interest on its savings account balances, whereas Second City Bank pays 8 percent interest compounded annually. If you made a deposit of $12,500 in each bank, how much more money would you earn from your Second City Bank account at the end of 8 years? Note: Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16. Solve for the unknown interest rate in each of the following: Note: Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16