Please use excel to solve

Ivanhoe, Inc., has four-year bonds outstanding that pay a coupon rate of 8.0 percent and make coupon payments semiannually. If these bonds are currently selling at $913.89. What is the yield to maturity that an investor can expect to earn on these bonds? Assume face value is $1,000. (Round answer to 1 decimal place, e.g. 15.2%.) Yield to maturity % What is the effective annual yield? (Round answer to 1 decimal place, e.g. 15.2\%.) Effective annual yield %