In break-even analysis the contribution margin is defined as Select one: OA sales minus variable costs. O B. sales minus fixed costs. OC variable costs minus fixed costs, OD. fixed costs minus variable costs. A high degree of operating leverage means that a firm also will have high: 1. Fixed operating costs II. Variable labor costs III. Interest expenses Select one: O A only OB. I and Il only OC I and ill only OD. L. II and III Which of the following statements about leverage is true? 1. Operating leverage influences the top half of the income statement dealing with the impact of change IL Financial leverage influences the bottom half of the income statement dealing with the impact of chan III. Combined leverage influences the the entire income statement dealing with the impact of changes in Select one: O A only O Bland Il only OCT and Ill only OD LIL and