Exercise 2-11A (Algo) Mixed cost at different levels of activity LO 2-1 Adams Corporation paid one of its sales representatives $4,500 during the month of March. The rep is paid a base salary plus $14 per unit of product sold. During March, the rep sold 170 units. Required Calculate the total monthly cost of the sales representative's salary for each of the following month Answer is complete but not entirely correct. Month Number of units April May June July 210 120 220 130 Total variable cost 2,940 S 1,600 $ 3,080 $ 1,820 Total fixed cost 4,500 4,500 4,500 4,500 Total salary cost 7,440 $ 6,180 $ 7,580 $ 6,3201