The dirty price of a bond is the: O a. invoice price. O b. quoted price. O c. issue price. O d. average of the bid and asked prices. O e. dealer purchase price. QUESTION 18 . A discount bond: O a. pays a variable coupon payment O b. has a market price in excess of face value. c. has a duration that is less than that required by an investor O d. has a par value that is less than $1,000. O e. has a face value that exceeds the market value