Rosalinda wants to save money for college. She wants to invest $1000 with the bank that will maximize her savings. She finds out that both Washington Mutual and Compass Bank offer accounts that pay at a rate of 3%. However, Washington Mutual offers a simple interest account with a maximum time period of 4 years while Compass Bank offers a compound interest account with a maximum time period of 3 years. What is the difference in the amount of interest each account pays?​