Please answer a-c

Basic bond valuation Complex Systems has an outstanding issue of $1,000-par-value bonds with a 13% coupon interest rate. The issue pays interest annually and has 11 years remaining to its maturity date. a. If bonds of similar risk are currently earning a rate of return of 9%, how much should the Complex Systems bond se for today? b. Describe the two possible reasons why the rate on similar-risk bonds is below the coupon interest rate on the Complex Systems bond. c. If the required return is 13% instead, what would the current value of Complex Systems' bond be? Contrast this finding with your findings in part a and discuss