Nelter Corporation, which has only one product, has provided the following data concerning its most recent month of operations: The 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. Complete this question by entering your answers in the tabs below. Prepare a contribution format income statement for the month using variable costing