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2. MS. Investor purchased 1,850 shares of ERY at $187,24 on June 25,2020 . a. What is Ms. Investor's initial equity in her margin account? $173,197 b. At what stock price will Ms. Investor first get a margin call? $156.03 c. On November 27. ERY stock falls from $161.88 to close at $148.36. How much is the margin call, and what will be the value of Ms. Investor's equity after meeting it? $71,928;$137,233 d. Assuming Ms, Investor makes the November 27 margin call, at what stock price would be her next margin call? $123.63