$52$ Using your same brokerage account as in Problem $51($same margin rate and transac$-$ tion costs$),$ assume that you buy IBM at $$156$ a share, on $60$ percent margin. During the year, IBM pays a dividend of $$1\mathrm{.}30$ per share. One year later, you sell the position at $$233.$ Treat the brokerage cost to sell in calculating the gain or loss and the broker$-$ age cost to buy as part of your investment. a$.$ Calculate the dollar gain or loss on this position. b$.$ Calculate the percentage return on your investment.