1. You purchased 300 shares of MECCS Inc. stock at $42.80 per share. After holding the stock for one year, you received total dividends of $870 and then sold all your shares for $41.95 per share. Calculate your total percentage return on your investment.

A. 4.79 percent

B. 8.76 percent

C. 6.78 percent

D. 5.32 percent

2. TigerFood Inc. had annual returns of 10 percent; 16 percent; -18 percent; 7 percent; 30 percent and 27 percent in each of the last six years respectively. Calculate the standard deviation of TigerFood's returns.

A. 17.3 percent

B. 27.8 percent

C. 12.9 percent

D. 22.6 percent