Could use some help with this, thank you!

Calculate the fair present values of the following bonds, all of which pay interest semiannually, have a face value of $1,000, have 10 years remaining to maturity, and have a required rate of return of 12 percent. a. The bond has a 5.8 percent coupon rate. (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g. 32.16)) b. The bond has a 7.8 percent coupon rate. (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g., 32.16)) C. The bond has a 12 percent coupon rate. (Do not round intermediate calculations.) a. Fair present value b. Fair present value c. Fair present value