Dick purchases an n-year 1000 par value bond with 12% annual coupons at an annual effective yield of i', where i > 0. The book value of the bond at the end of year 2 (immediately after the coupon) is 1479.65, and the book value at the end of year 4 (immediately after the coupon) is 1439.57. The bond redeems at par value. Calculate the purchase price of the bond. (a) 1510 (b) 1515 (c) 1519 (d) 1523 (e) 1527