The following is a partial income statement for Duncan Corporation for 2011: Duncan Corporation Projected Income Statement For the \"fear Ended December 3'1, 2011 Sales rewen ue {250 units at $20] $15,000 Manufacturing cost of goods sold: Direct materials used $2,250 Direct labor $2,100 1-.I|'arial:IIEe manufacturing overhead 5 2,550 Fixed manufacturing overhead 250 2,250 Gross Margin $2,250 Selling expenses