The following table summarizes the yields to maturity on several one-year, zero-coupon securities: . (Note: The yields displayed in the table are annually compounded yields.) a. What is the price (expressed as a percentage of the face value) of a one-year, zero-coupon corporate bond with an 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 bond with a AAA rating? (Click on the following icon in order to copy its contents into a spreadsheet.)