use this data to answer following questions

2. Suppose that sales are 5% higher as shown below: A Chapter 1: Applying Excel 1 2 $ 61,425 3 Data 4 Sales 5 Variable costs: 6 Cost of goods sold Variable selling 8 Variable administrative 9 Fixed costs: 10 Fixed selling 11 Fixed administrative $ $ 34,650 3,465 3,255 2,500 1,500 $ (a) What is the gross margin now? Gross margin (b) What is the net operating income now? Net operating income (c) What is the contribution margin now? Contribution margin