Question3 A partial listing of costs incurred at Rust Corporation during August appears below: Direct materials Utilities, factory Sales commissions S135,000 S11,000 S69,000 Administrative salarics..S101,000 S29,000 S94,000 S31.000 S73,000 ...S40,000 Indirect labor Advertising Depreciation of production equipment Direct labor Required a. What is the tota amount of product cost listed above? Show your work b. What is the total amount of period cost listed above? Show your work Question 4 PLC manufacturing company produces and sales one product during yeare 2008. The following schedule shows information related to the company's levelof prducation and sales: Sales in units Sales value Total variable costs $120,000 Reavired 1. What is the company's contribution margin ratio? 2. Calculate the contribution margin unit? . Calculate value of sales in dollars that enable the company to attain a target profit of S126,000? End of Questions