Deighan Company had the following amounts from its income statement: Sales revenue (800 units) $80,000 Cost of goods sold -fixed 20,000 Cost of goods sold -variable 18,500 Selling expenses - fixed 7,000 Selling expenses - variable 6,000 Administrative expenses - fixed 5,000 Administrative expenses - variable 7,500 How much is Deighan's contribution margin? O $41,500. O $61,500. O $48,000. O $16,000