Suppose that XTel currently is selling at $60 per share. You buy 1,000 shares using $48,000 of your own money, borrowing the remainder of the purchase price from your broker. The rate on the margin loan is 8%.

a. What is the percentage increase in the net worth of your brokerage account if the price of XTel immediately changes to (a) $66; (b) $60; (c) $54? (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.)