Suppose a 10 -year, $1,000 bond with a(n) 11% coupon rate and semiannual coupons is trading for a price of $1,006.45. a. What is the bond's yield to maturity (expressed as an APR with semiannual compounding)? b. If the bond's yield to maturity changes to 10% APR, what will the bond's price be? Andrew Industries is contemplating issuing a 30 -year bond with a coupon rate of 4.83% (annual coupon payments) and a face value of $1,000. Andrew believes it can get a rating of A from Standard and Poor's. However, due to recent financial difficulties at the company, Standard and Poor's is warning that it may downgrade Andrew Industries bonds to BBB. Yields on A-rated, long-term bonds are currently 4.33%, and yields on BBB-rated bonds are 4.73%. a. What is the price of the bond if Andrew maintains the A rating for the bond issue? b. What will the price of the bond be if it is downgraded