The following table summarizes the yields to maturity on several one-year, zero-coupon securities: 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? Data table important: The yields displayed are annually compounded yields. - X Security Treasury Yield (%) 3.06 AAA corporate 3.17 BBB corporate 4.19 B corporate 4.82