Practice Question 09 Your phone service provider offers a plan that is classifed as a mixed cost. The cost per month is $50 flat rate for the first 1,000 minutes plus $0.35 for each minute exceeding 1,000 minutes. If you use 1,200 minutes this month, your cost will be O 0. o $50. O $70. O $120. Practice Question 13 On a CVP income statement O Sales-Cost of goods sold = Contribution margin. () Sales-Fixed costs contribution margin. O Sales - Variable costs Contribution margin. O Sales - Variable costs - Fixed costs Contribution margin