4. Micky starts a retirement account at age 32, putting away $250 each pay period, of which he has 24 per year. However, as his salary increases, he finds he is able to increase contributions at a continuous rate of 4%, modeled by f(1) = 6000e904. If his savings grow at 7.6% continuously, find the amount of money Micky will have at age 64. Use the appropriate formula, set it up and evaluate with all work shown. Round to the nearest $1