Question Completion Status QUESTION 7 An investor buys S10,000 worth of a stock priced at 550 per share using 60% initial margin. The broker charges 15% on the margin toan and requires a 35% maintenance margin. The stock pays a $1.00 per share dividend in 1 year, and then the stock is cold at 560 per share. What was the investor's rate of return? O A 26.67% OB.61.4296 OC 4538% OD 37.81%