Evander Inc, has decided to use the high-low method to estimate the total cost and the fixed and variable cost component This information has been collected in the Microsoft Excel Online file. Open the spreadsheet, perform the required analysis Open spreadsheet a. Determine the variable cost per unit and the total fixed cost. Variable cost $ Total fixed cost $ b. Based on part (a), estimate the total cost for 3,720 units of production. Total cost for 3,720 units $