Which of the following statements about operating leverage is false? O a. 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. O b. Keeping all factors constant, the higher the contribution margin, the lower the operating leverage. Oc. Operating leverage measures how operating income will be affected by changes in sales O d. The degree of operating leverage is higher for companies with higher fixed costs O e All of the given answers are true. Mazoon Company has information on its revenue and costs is as follows: Selling price per unit $80: Variable costs per unit includes: Direct material $16, Direct manufacturing labor $8. Manufacturing overhead $8. and Selling costs $10; Annual fixed costs $96,000. What is the contribution margin percentage? O a 47.5% O b. 70% O c. 60% O d. 52.5% O e. None of the given answers