Question 1 - Short sale of stock Suppose you do a short sale of GameStop stock (Yikes|II). Assume your investment brokerage company requires an initial margin 70%, maintenance margin 45%. You borrow from your brokerage firm 300 shares of GameStop at $190/share, then sell immediately. A. If this stock suddenly declines to $150/share, will you receive a margin call? Explain or show margin calculation. B. If this stock suddenly rises to $220/share, will you receive a margin call? Explain or show margin calculation