Carla Vista Manufacturing Company collected the following production data for the past month: Units Produced 5800 3300 3500 2700 Total Cost $86000 60000 77500 55000 If the high-low method is used, what is the monthly total cost equation? (Round units to nearest whole number, eg 9) Total cost = $16500 + $ 30/unit Total cost = $28000 + $10.00/unit Total cost = $36100+ $7/unit Total cost = $0+ $45/unit