The following data are from the accounting records of Niles Castings for year 2. Units produced and sold 83,000 Total revenues and costs Sales revenue $250,000 Direct materials costs 64,000 Direct labor costs 31,000 Variable manufacturing overhead 19,000 Fixed manufacturing overhead 42,000 Variable marketing and administrative costs Fixed marketing and administrative costs 12,000 31,000 Required: a. Prepare a gross margin income statement. b. Prepare a contribution margin income statement. Complete this question by entering your answers in the tabs below. Required A Required B Prepare a gross margin income statement. Gross Margin Income Statement < Required A Required B >