Consider a stock priced at $40 per share that pays an annual dividend of $1.0. An investor buys the shares on margin, paying $20 per share and borrowing the remainder from the brokerage firm at an 6% annual interest rate. After one year, the stock is sold for $50 per share. Because the shares were purchased on margin, the return on the stock is _____. However, if the investor had purchased the shares for 100% cash, the stock return would have been _____.

A. 25.0%; 49.0%

B. 55.0%; 27.5%

C. 49.0%; 27.5%

D. 50.0%; 25.0%