You purchased 1000 shares of stock in Cumberland Software for $3 per share on January 1, 2006. Over the next four years you received 7 cents per share annually in dividends. On December 31, 2009 you sell all your shares of Cumberland Software for $16.50 per share. Brokerage commissions are 4% of the total transaction value when buying and selling.

Now, determine your average annual return (after taxes and inflation) on Cumberland Software. Assume a marginal tax rate of 31% and a rate of inflation over the four year period of 3.75% per year. (A 31% marginal tax bracket consumer would be taxed 15% for both dividends and capital gains.)