1. Chuck Brown will receive from his investment cash flows of $3,125, $3,490, and $3,840 at the end of years 1, 2, and 3 respectively. If he can earn 7.5 percent on any investment that he makes, what is the future value of his investment cash flows at the end of three years?

2. Stanley Roper has $2,200 that he is looking to invest. His brother approached him with an investment opportunity that could give Patrick $4,800 in 4 years. What interest rate would the investment have to yield in order for Stanley's brother to deliver on is promise?