7-40.) Jan purchased 100 shares of Peach Computer stock for $15 a share, plus a $14 brokerage commission. Every 6 months she received a dividend from Peach of 35 cents per share. At the end of 2 years, just after receiving the fourth dividend, she sold the stock for $21 per share and paid a $58 brokerage commission from the proceeds. What effective annual rate of return did she receive on her investment (nearest 0.1%)