Suppose you just won the state lottery, and you have a choice between receiving $3,500,000 today or a 20-year annuity of $250,000, with the first payment coming one year from today. What rate of return is built into the annuity? Disregard taxes. Select the correct answer. a. 4.47% b. 2.87% c. 4.07% d. 3.27% e. 3.67%