Suppose that you sell short 1,000 shares of Xtel, currently selling for $20 per share, and give your broker $15,000 to establish your margin account. a. If you earn no interest on the funds in your margin account, what will be your rate of return after 1 year if Xtel stock is selling at: () $22 (1) $20 (1) $18? Assume that Xtel pays no dividends. (Leave no cells blank - be certain to enter "o" wherever required. Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) i. ii. Rate of return Rate of return Rate of return % b. If the maintenance margin is 25%, how high can Xtel's price rise before you get a margin call? Margin call will be made at price or higher c. Redo parts (a) and (b), but now assume that Xtel also has paid a year-end dividend of $1 per share. The prices in part (a) should be interpreted as ex-dividend, that is, prices after the dividend has been paid. (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) i. ii. Rate of return Rate of return Rate of return % iii. % Margin call will be made at price or higher