Please help correct the field in red as well as the field in yellow. Thanks.

QS 19-9 Computing manufacturing margin LO P2 D'Souza Company sold 13,000 units of its product at a price of $74.00 per unit. Total variable cost is $48.80 per unit, consisting of $39.40 in variable production cost and $9.40 in variable selling and administrative cost. Compute the manufacturing (production) margin for the company under variable costing. Answer is not complete. D'SOUZA COMPANY Manufacturing Margirn Units S per unit Total 13,000 74.00$ 962,000 Sales Variable product cost 13,000 39.40 512,200 0 9.40 Manufacturing margin