i cant figure out this practice problem. managerial accounting.

Inis is an income statement a company preparea wnen 8,000 units were sola. Total Sales $ 214,400 Variable expenses 140,000 Contribution margin Fixed expenses 74,400 54,100 Net operating income $ 20,300 Required: Redo the contribution format income statement of the sales volume is 7,000 units. Contribution Income Statement Total 0 0