Your insurance agent is trying to sell you an annuity that costs $230,000 today. By buying this annuity, your agent promises that you will receive payments of $1,225 a month for the next 30 years. What is the rate of return on this investment? A. 3.75 percent B. 4.47 percent C. 4.93 percent D. 5.45 percent E. 5.67 percent