Sales. $50 per unit D M ...................... $15 per unit $10 per unit Variable FOH............$ 8 per unit Variable Selling .........$ 1 per unit Fixed FOH...............$ 3 per unit Fixed Admin Exp.......$ 4 per unit DL........ 29. Gross Profit per unit under GAAP is A) $ 13 per unit. B) $ 14 per unit C) $ 16 per unit D) $ 17 per unit E) None of the above. 30. Contribution Margin per unit is A) $ 13 per unit B) $ 14 per unit C) $ 16 per unit D) $ 17 per unit E) None of the above. 31. Manufacturing Margin per unit is A) $ 13 per unit B) $ 14 per unit C) $ 16 per unit D) $17 per unit E) None of the above