Find operating net income and please mention how to find it, what numbers are used.

3 Data 4 Sales 5 Variable costs: 6 Cost of goods sold 71 Variable selling 8 Variable administrative 9 Fixed costs 10 Fixed selling 11 Fixed administrative 12 13 Enter a formula into each of the cells marked with a ? below 14 Exhibit 2-9 15 16 Traditional Format Income Statement 17 Sales 18 Cost of goods sold 19 Gross margin 20 Selling and administrative expenses: 21 Selling 22 Administrative 23 Net operating income 24 $12,000 $6,000 $600 $400 $2,500 $1,500 $ 12,000 6,000 6,000 $ 2,500 1.500 4,000