In: Finance
The following table summarizes the yields to maturity on several one-year, zero-coupon securities:
Security  | Yield (%)  | 
Treasury  | 3.08  | 
AAA corporate  | 3.16  | 
BBB corporate  | 4.20  | 
B corporate  | 4.85  | 
a. What is the price (expressed as a percentage of the face value) of a one-year, zero-coupon corporate bond with a AAA rating?
b. What is the credit spread on AAA-rated corporate bonds?
c. What is the credit spread on B-rated corporate bonds?
d. How does the credit spread change with the bond rating? Why