Frances borrows $500 and agrees to make 10 equal payments toward the principal, where the first payment is due in one year. In addition to the principal repayments, each year she will pay interest at 8% effective on the outstanding principal. The lender wishes to sell the loan to an investor immediately after the loan is made. Determine the sale price such that the investor will achieve a yield of 10% on this investment. (A) $400 (B) $420 (C) $440 (D) $460 (E) $480