IBM has an outstanding bond with an annual coupon of $6\mathrm{.}7\%$ and a face value of

$$1,000$ that matures in $20$ years. The bond's current price is $$1,463\mathrm{.}2.$ It is

callable at a call price of $$1,050$ with $10$ years of call protection from now.

Part $1$

Attempt $\frac{8}{10}$ for $1$ pts$.$

What is the yield to call?