sarah and james hernandez purchased 320 shares of macy’s stock at $15 a share. one year later, they sold the stock for $35.00 a share. they paid a broker a commission of $7 when they purchased the stock and a commission of $11 when they sold the stock. during the 12-month period the couple owned the stock, macy’s paid dividends that totaled $2.05 a share. calculate the hernandezes’ total return for this investment.