This Excel worksheet form is to be used to recreate Exhibit 1-7. The workbook, and instructio on how to complete the file, can be found in Connect. A 1 Chapter 1: Applying Excel 2 3 Data B 4 Sales $12,000 5 Variable costs: 6 Cost of goods sold $6,000 7 Variable selling $600 8 Variable administrative $400 9 Fixed costs: 10 Fixed selling $2,500 11 Fixed administrative $1,500 12 13 Enter a formula into each of the cells marked with a ? below 14 Exhibit 1-7 15 D