A machine is purchased by making payments of $8,000 at the end of each of the next five years. The interest rate was 10%. The future value of an ordinary annuity of 1 for five periods is 6.10510. The present value of an ordinary annuity of 1 for five periods is 3.79079. What was the cost of the machine? Select one: a. $33,359 b. $48,841 c. $30,326 d. $53,750