EJM Company manufactures skis. The management accountant at EJM wants to calculate the fixed and variable costs of leasing the machinery the company uses to manufacture skis. Data for the past four months are as follows: Lease cost Machine hours 550 April $22,300 May $16,500 420 June $19,000 510 July $22,230 570 Using the high-low method, what is EJM's total cost of leasing machinery in a period when EJM expects to use 500 machine hours? O $21,280 O $18,560 $20,180 O $19,556 O None of the above