Kwik Delivery Service reports the following costs and expenses in June 2016. Determine the total amount of (a) delivery service (product) costs and (b) period costs. Erickson, Inc. makes student book bags that sell for exist20 each. For the coming year, management expects fixed costs to be exist225,000 Variable costs are exist14 per unit. (a) Compute break-even sales indollars using the mathematical equation. (b) Compute break-even sales using the contribution margin ratio. (c) Compute margin of safety ratio assuming actual sales are exist937, 500. (d) Compute the sales required to earn net income of exist150,000, using the mathematical equation