Please work them out so i can understand the problem, thank you.

17. 2.50 points value: Problem 12-4 (LO12.1) Sarah and James Hernandez purchased 340 shares of Macy's stock at $45 a share. One year later, they sold the stock for $51.70 a share. They paid a broker a commision of $15 when they purchased the stock and a commision of $20 when they sold the stock. During the 12-month period the couple owned the stock, Macy's paid dividends of $0.75 per share. Calculate the Hernandez total return for this investment. Total return