$7.$ Kahiki$$s Foods Inc. corporate bonds have $10$ years remaining to maturity. The bonds have a face value of $$1,000,$ and a coupon rate of $10\%.$ The company pays $$100$ interest per bond annually. The present value of the bond is $$900.$ The bond is a callable bond. Calculate the yield to maturity of the bond $($note: PV is negative because it is a cash outflow, i$.$e$.,$ it costs $$900$ to purchase the bond$).$