Which of the following statements about operating leverage is false? O a Operating leverage measures how operating income will be affected by changes in sales O b. All of the given answers are true. Oc Keeping all factors constant, the higher the contribution margin, the higher the operating leverage. Od. If the degree of operating leverage higher for a company, this means that the company is more risky than another company with low degree of operating leverage Oe. The degree of operating leverage is higher for companies with higher fixed costs