Ormand Company uses variable costing for internal decision-making purposes and has the following information for June: Sales Variable cost of goods sold Fixed manufacturing costs Variable selling and administrative expenses Fixed selling and administrative expenses What is the manufacturing margin? Oa. $380,000 O b. $150,000 O c. $320,000 O d. $480,000 $915,000 435,000 160,000 100,000 70,000