Techtronics Software, Inc. specializes in customized spreadsheet software. The results of the company's operations during the prior year (20xx) are given in the following table. All units produced during the year were sold. (Ignore income taxes.) $4,800,000 Sales revenue Manufacturing costs: Fixed Variable Selling costs: F ixed Variable Administrative costs: Fixed Variable 590,000 1,180,000 68,000 190,000 138,000 48,000 Required 1-a. Prepare a traditional income statement for the company 1-b. Prepare a contribution income statement for the company 2. What is the firm's operating leverage for the sales volume generated during the prior year? 3. Suppose sales revenue increases by 15 percent. What will be the percentage increase in net income