Bond A has a coupon rate of $10\mathrm{.}58\%$ a yield to maturity of $14\mathrm{.}78\%$ and a face value of $$1000$ matures in eight years and pays coupons annually with the next coupon expected in one year what is $($ X$+$Y$+$Z$)$ if X is the present value of any coupon payments expected to be made in three years from today Y is the present value of any coupon Payments expected to be made in six years from today and Z is the present value of any coupon payments expected to be made in nine years from todaY