You buy 300 shares of stock at a price of $45 and an initial margin of 70%. If the maintenance margin is 40%, what is the lowest the stock price can go before you receive a margin call? Select one: a. $22.50 b. $32.57 c. $11.69 d. $34.61 e. $21.71 Today, you short sold 800 shares of a stock at $57 a share. The initial margin is 60 percent and the maintenance margin is 30 percent. Which one of the following is correct concerning your account balance sheet for this transaction? Select one: a. You have an asset of $27,360 from the sale proceeds. b. Your initial margin deposit is $27,360. c. Your account equity is $45,600. d. You have a liability from the short position of $72,960. e. Your total assets are $45,600