Tammy Jackson purchased 155 shares of All-American Manufacturing Company stock at $32.80 a share. One year later, she sold the stock for $40 a share. She paid her broker a $37 commission when she purchased the stock and a $48 commission when she sold it. During the 12 months she owned the stock, she received $203 in dividends. Calculate Tammy's total return on this investment. (Round intermediate calculations and final answer to 2 decimal places.) Total return $