ng it may improve the responsiveness of your Mac. ework - Part 1 i Saved Help and Tixed Costs. Month Units Sold d Total Cost Month Units Sold Total Cost 316, 500 $ 154, 000 363 ,500 $ 303,676 161, 500 97, 750 8 266 , 500 148 , 250 261, 500 202, 100 9 76, 700 68,500 201, 500 96 , 500 10 146, 500 127, 125 286, 500 198, 000 11 90,500 90, 500 186,500 108, 500 12 96, 500 85, 150 Problem 18-1A (Algo) Part 1 1. Estimate both the variable costs per unit and the total monthly fixed costs using the high-low method. (Do not round intermediate calculations.) High-Low method - Calculation of variable cost per unit High-Low method - Calculation of fixed costs Total cost at the high point Variable costs at the high point: Volume at the high point: Variable cost per unit Total variable costs at the high point Total fixed costs Total cost at the low point Variable costs at the low point: MacBook Air