6) Calculate the fair present values of the following bonds, all of which pay interest semiannually, have a face value of $1,000, have 12 years remaining to maturity, and have a required rate of return of 8 percent.

a. The bond has a 6 percent coupon rate.

b. The bond has a 8 percent coupon rate.

c. The bond has a 10 percent coupon rate.

d. What do your answers to part (a) through (c) say about the relation between coupon rates and present values?