Fellx & Co. reports the following Information about its unit sales and cost of sales. PeriodUnits Sold Period Units Sold 460 860 1,260 1,660 Cost of Sales $2,560 3,388 4,108 4,828 5,548 2,060 2,460 2,860 3,260 3,660 Cost of Sales $6,268 6,988 7,708 8,428 9,148 7 4 Hint: (Draw an estimated line of cost behavior using a scatter diagram offline.) Complete the below table to calculate the fixed cost and variable cost of sales by using the high-low methoo 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 Volume at the low point: Variable cost per unit Total variable costs at the low point Total fixed costs