Question 16 Which of the following would produce the largest decrease in the contribution margin per unit? Not yet answered Select one: Marked out of 0.60 O a. A 15% increase in selling price. O b. A 7% increase in selling price. Flag question O C. A 17% decrease in fixed cost. Od. A 23% increase in the number of units sold. O e. A 14% increase in variable cost. Question 17 Following are utilities costs for different level of machine hours: $450 for 10 hours; $540 for 12 hours ; $630 for 14 hours ; $720 for 16 hours. This cost is best described as Not yet answered Select one: Marked out of 0.60 O a. Direct P Flag question O b. Fixed O c. Variable d. Mixed O e. None of the answers given