an investor buy 1000 shares of stock on margin at price 50 per share. The IM requirement is 40% and margin leading rate is 3%. Commission is 0.01per share. Dividend 0.3per share. One year later, sells the 1000 share at 56 per share. The return rate is close to ?
A 12%
B27%
C36%
我自己算出来是32.88%,请问正确的是什么谢谢?还有解题步骤谢谢