Which of the following best describes contribution margin? a. Fixed costs-operating income b. Sales-fixed costs. C. Variable costs + fixed costs d. Fixed costs + operating income 4:11 PM Which of the following statements about manufacturing overhead cost allocation systems is false? a. ABC systems focus on the cost of critical activities while traditional systems focus on a common factor that has a reasonable correlation. b. Traditional systems are generally less accurate than activity-based scoring (ABC) systems. C. ABC systems are generally less expensive to implement than traditional systems. d. Traditional and ABC systems produce different information on product costs. Which of the following is NOT one of the three categories that make up the v Fraud Triangle? a. pressures and incentives b. opportunity C. personal characteristics and attitude d. expense account abuse 4:13 PM