35. Candice has an account that pays an interest of 10%. Today, she deposited $200 into the account, and another $250 in to the same account a year from now. How much will she have in her account exactly two years from today?

39. An investment selling for $30,000 and pays a fixed payment of $4,000 over 10 years with the first payment made 1 year from today. An additional payment of $2,000 is also paid at the end of the 10th year. What must be the annual interest rate for this investment?