Leverage analysis: You have developed the following analytical income statement for your corporation. It represents the most recent year's operations, which ended yesterday. You are now asked to answer the following questions: a. At this level of output, what's the degree of operating leverage? c. What's the degree of combined leverage? d. What's the firm's break-even point in sales dollars? e. If sales should increase by 30%, by what percent would earnings before taxes (and net income) increase? f. Prepare an analytical income statement that verifies the calculations from part (e)