A furniture manufacturer specializes in wood tables. The tables sell for $85 per unit and incur $40 per unit in variable costs. The company has $7,000 in fixed costs per month Read the requirements Requirements 6. Prepare a contribution margin income statement for one month if the company sells 520 tables. 7. What is the total contribution margin for one month when the company sells 520 tables? 8. What is the unit contribution margin? 9. What is the contribution margin ratio?