Polytech Inc. produces a laptop. The selling price per unit of the laptop is $400.

Data for last years operations follow:

Sales (1,000 units) $400,000

Variable manufacturing overhead 70,000

Fixed selling and administrative costs 10,000

Direct materials used 90,000

Direct labor 100,000

Fixed manufacturing overhead 60,000

Variable selling and administrative 50,000

Required: (15 pts.)

1. Compute the total manufacturing cost of goods sold
2. Compute the contribution margin
3. Compute the gross margin or gross profit
4. Compute the operating income or loss
5. What is the companys break-even point in $ sales?