a. What is the price (expressed as a percentage of the face value) of a 1-year, zero-coupon corporate bond with a AAA-rating and a face value of $1,000 ? 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? a. What is the price (expressed as a percentage of the face value) of a 1-year, zero-coupon corporate bond with a AAA-rating and a face value of $1,000 ? The price, expressed as a percentage of the face value, is \%. (Round to three decimal places.)