please answer these for me

Problem 3-16 On January 1, you sold short three round lots (e. 300 shares) of Four Sisters stock at $83 pet share on March 1a dividend of $100 per share was paks on April t, you covered the short sale by buying the stock at a price of 578 per share you paid 50 cents per share in commissions for cach transaction Wisat is the one of your account on Aprt? (Negotive amount should be indicated by a minuclgn.) Monte Ch Problem 3-12 Suppose that you sell short 400 shares of Xtel, currently selling for $55 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 one year if Xtel stock is selling at: $60,0) $55 (1) $50? 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 % % % HT b. If the maintenance margin is 25%, how high can Xtel's price itse before you get a margin call? (Round your answer to 2 decimal places.) 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 or $2 per share. The prices in part 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.) 11. Rate of return % ii. % Rate of return Rate of return % Margin call will be made at pnce or higher