1. Mr. Speculator purchased 2,400 shares of TPHB stock for $87.50 per share on May 3, taking full advantage of the 50% initial margin (40% maintenance margin). On May 25, TPHB opened at $75.10 and closed at $70.40. 2 pts a. Will there be a margin call on May 25? b. If not, explain/demonstrate why. If so, what is the value of the margin call