5. The KYLE Supply Company sells a single product and has the following average costs at a sales level of 15,000 units: Variable cost per unit. $2.45 Fixed cost per unit 4.75 $7.20 Total cost per unit Required: Determine the following amounts at a sales level of 16,000 units: a. Total variable cost b. Total fixed cost c. Variable cost per unit d. Fixed cost per unit e. Total cost per unit,