QS 19-9 Computing manufacturing margin LO P2 D'Souza Company sold 9,000 units of its product at a price of $82.00 per unit. Total variable costs $50.40 por unit consisting of $40.20 in variable production cost and $10.20 in variable selling and administrative cost. Compute the manufacturing production margin for the company under variable costing DSOUZA COMPANY Manucharing Margin Units S per unit Total