3. (20%) (Bonds) A $1000 bood hat a coupon nte of 4 percent and coupons ate payable annually, Suppose there are 8 years left on the bond, and you purchaned it at a yield of maturity of 646 a. (4%) How much are you naying for the bond? b. (2%) What is the current yield of the bond? c. (4%) Suppose you expect to sell you bond next year for a yield to maturity of 4%, what is the expected selling price of the bond? d. (4\%) What is the rate of returns of the bond for you? c. (6%) Without doing the calculations, what will happen to the price of the bond if company. credit rating is suddenly adjusted downwards? Briefly explain