4. Consider the following two investment plans: 1) $25,000 is invested at an annual rate of 9% simple interest for eight years. 2) $25,000 is invested at a rate of 9% compounded monthly for eight years. How much more interest will have been earned by investing a single payment of $25,000 at 9% compounded monthly for eight years compared with investing a single payment $25,000 at 9% simple interest for eight years? ( 5 points)