7. The Equipment Department of Kason, Inc. incurred the following costs during the past five months. Total Cost $45,550 Production in units 1,000 1,500 2,100 1,800 750 June July August September 52,000 61,500 57,500 1,250 October Using all the information above and high low method, determine: a. The variable cost per unit b. Total Fixed cost c. Estimated cost of 1,300 units the company is planning to produce