A. Buying 100 shares of Microsoft on the Nasdaq Stock Market B. Buying a corporate bond that was issued in 1990 C. Selling 100 shares of Merck on the New York Stock Exchange D. Buying a Treasury bond directly from the Treasury Which of the following new securities issues would likely have the highest underwrinting discount? A. A bond issued by the City of Denver B. A bond issued by DuPont C. A U.S/ Treasury bond D. Shares of a start-up biotech firm