Exercise 2. (a) Wascher Co. stock is selling for $50. Suppose you want to buy 100 shares and the minimum margin is 50 percent. How much cash do you need to put in your margin account? If the maintenance margin is 25 percent, at what price would you receive a margin call? (b) Wascher Co. stock is selling for $50. Suppose you want to sell 100 shares short and the minimum margin is 50 percent. How much cash do you need to put in your margin account? If the maintenance margin is 25 percent, at what price would you receive a margin call