27. The price at which you can buy a security from a dealer is called the __price. bid b. ask c. issue d. offer e. floor 28. a. The difference between a dealer's purchasing price and selling price is called the margin. b. bid. c. float d. offer spread. 29 An owner of a seat on the New York Stock Exchange is called a broker. b. shareholder member d. trader c. e. facilitator 30. Margie wants to buy 100 shares of Microsoft stock immediately. She should place a[n) order limit b. post market d. short exchange 31. An order to buy or sell only at a particular price or better is called a order limit b. post market c. d. asked C. bid