The S&S Corporation produces and sells one product. The following data refer to the year just completed: Beginning Inventory O units Units produced.... 20,000 Units sold...... 12,500 Sales price per unit...... $450 Variable selling and administrative expenses per unit $ 50 $500,000 Fixed Selling and administrative expenses (Total) Manufacturing Costs: Direct materials cost per unit... Direct labor cost per unit............... Variable manufacturing overhead cost per unit......... Fixed manufacturing overhead (Total)................. ..$ 150 $ 95 40 $280,000 Required: a. What is the unit product cost for the month under variable costing? b. What is the unit product cost for the month under absorption costing? c. Prepare a contribution format income statement for the year using variable costing. d. Prepare an income statement for the year using absorption costing.