3 2 points Gibson Corporation paid one of its sales representatives $5,500 during the month of March. The rep is paid a base salary plus $15 per unit of product sold. During March, the rep sold 200 units. Required Calculate the total monthly cost of the sales representative's salary for each of the following months: Month Number of units eBook Total variable cost Total fixed cost Print Total salary cost References April May June July 240 150 250 160 Check my work