The Sterling Tire Company's income statement for 20XX is as follows: Given this income statement, compute the following: a. Degree of operating leverage. (Round the final answer to 2 decimal places.) DOLx b. Degree of financial leverage. (Round the final answer to 2 decimal places.) DFL x c-1. Degree of combined leverage. (Do not round the intermediate calculations. Round the final answer to 2 decimal places.) DCLx c-2. Using your answers to a, and b. calculate the percentage increase in EBIT and EBT from a 20 percent increase in sales volume. (Do not round the intermediate calculations. Round the final answers to 2 decimal places.) c-3. Does financial or operating leverage have the greater impact? DOL DFL d. Break-even point in units. (Round the final answer to the nearest whole number.) Break-even point tires e. Break-even point considering the interest expense as a fixed cost. Break-even point tires