Units produced and sold Total revenues and costs Sales revenue 90,000 $290,000 Direct materials costs 70,000 Direct labor costs. 37,000 Variable manufacturing overhead 18,000 Fixed manufacturing overhead 48,000 ped Variable marketing and administrative costs 14,500 Fixed marketing and administrative costs 38,000 ok nt ences 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