12.

Robin sold 800 shares of 12 a non-dividend paying stock this morning for a total of$29,440. She had purchased these shares on margin nine months ago at a cost per share of $35. The initial margin requirement on this stock is 60 percent and the maintenance margin is 30 percent. Robin pays 1.2 percent over the call money rate of 4.9 percent. What is her total dollar return on this ?investment