1, Bond A has a coupon rate of 6.69 percent, a yield-to-maturity of 5.06 percent, and a face value of 1,000 dollars; matures in 12 years; and pays coupons annually with the next coupon expected in 1 year. What is (X + Y + Z) if X is the present value of any coupon payments expected to be made in 5 years from today, Y is the present value of any coupon payments expected to be made in 8 years from today, and Z is the present value of any coupon payments expected to be made in 15 years from today?