Quick Study 19-9 Computing manufacturing margin LO P2 is D'Souza Company sold 10,500 units of its product at a price of $79.00 per unit. Total variable cost is $49.80 per unit, consisting of $39.90 in variable production cost and $9.90 in variable selling and administrative cost. Compute the manufacturing (production) margin for the company under variable costing the manufacturing (productproduction cost and $9 D'SOUZA COMPANY Manufacturing Margirn Units $ per unit Total Less