Frazier Manufacturing Company collected the following production data for the past month Units Produced Total Costs 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? A) Total cost= $13,200 + $33/unit B) Total cost= $16,500+ $30/unit C) Total cost= $0 + $45/unit D) Total cost = $9,900 + $36/unit