Question 14 N11. XX company collected the following production data for the past month: Units Produced (X) Total Cost (Y) 1,600 $66,000 1,300 57,000 1,500 67,500 1,100 49,500 If the high-low method is used, what is the monthly total cost equation? N21. XX company's activity for the first three months of 2020 are as follows: Machine Hours Electrical Cost January 2,100 4.800 February 2,600 5,700 March 2,900 6,400 Using the high-low method, how much is the cost per machine hour? 3.00 O 2.00 O 2.26 1.78