Suppose that XTel currently is selling at $40 per share. You buy 500 shares using $15,000 of your own money, borrowing the remainder of the purchase price from your broker. The rate on the margin loan is 8%. Required: a. What is the percentage increase in the net worth of your brokerage account if the price of Tel immediatey changes to () $44 (1) $40: (1) $36? (Leave no cells blank - be certain to enter "0" wherever required. Negative values should be Indicated by a minus sign. Round your answers to 2 decimal places.) Percentage gain () Percentage gain (IH) Percentage gain % % b. If the maintenance margin is 25%, how low can XTel's price fall before you get a margin call? (Round your answer to 2 decimal places.) Price c. How would your answer to requirement b would change if you had financed the initial purchase with only $17.500 of your own money? (Round your answer to 2 decimal places.) Price