Problem 1-22 (Algo) Cost Terminology; Contribution Format Income Statement [LO1-2, LO1-4, LO1-6] Miller Company's total sales are $144,000. The company's direct labor cost is $17,280, which represents 30% of its total conversion cost and 40% of its total prime cost its total selling and administrative expense is $21,600 and its only variable selling and administrative expense is a sales commission of 5% of sales. The company maintains no beginning of ending inventorles and its manufacturing overhead costs are entirely fixed costs. Required: 1. What is the total manufacturing overhead cost? 2. What is the total direct materiais cost? 3. What is the total manufactoring cost? 4. What is the total varlable selling and administrative cost? 5. What is the total variable cost? 6. What is the total fixed cost? 7. What is the total contribution margin