The following data are available from the accounting records of Willow Creek Co. for the month ended May 31. During the accounting period, 17,000 units were manufactured and sold at a price of $60 per unit. There were no beginning inventories, and all units were completed (no work in process). Cost Total Cost Number of Units Unit Cost Manufacturing costs: Variable $442,000 17,000 $26 Fixed 170,000 17,000 10 Total $612,000 $36 Selling and administrative expenses: Variable ($2 per unit sold) $34,000 Fixed 32,000 Total $66,000 a. Prepare a variable costing income statement. Willow Creek Co. Variable Costing Income Statement For the Month Ended May 31 $ Manufacturing margin $ Contribution margin $ Fixed costs: $ Income from operations $ b. Prepare an absorption costing income statement. Willow Creek Co. Absorption Costing Income Statement For the Month Ended May 31 $ $ Income from operations $