Nelter Corporation, which has only one product, has provided the following data concerning its most recent month of operations:Selling price $ 122Units in beginning inventory 290Units produced 6,600Units sold 6,590Units in ending inventory 300Variable costs per unit:Direct materials $ 42Direct labor $ 26Variable manufacturing overhead $ 2Variable selling and administrative expense $ 21Fixed costs:Fixed manufacturing overhead $ 151,800Fixed selling and administrative expense $ 46,130The company produces the same number of units every month, although the sales in units vary from month to month. The company's variable costs per unit and total fixed costs have been constant from month to month.Required:a. Prepare a contribution format income statement for the month using variable costing.b. Prepare an income statement for the month using absorption costing.