#11-15 please and thank you

11. Joint costs are: a. Costs that are generated by more than one department. b. Costs that have a fixed and a variable component. C. Costs that are incurred to produce more than one product. d. Costs that are impossible to allocated to production under GAAP. 12. Conversion costs are: a Raw material and direct labor. b. Raw material and indirect labor. c. Raw material and overhead costs. d. Direct labor and overhead costs. 13. A company's contribution margin is: a. Income less fixed costs. b. Income less variable costs. Income less marginal costs. d. Equal to the break-even point. 14 A company that has fixed costs of $ 40,000 and a contribution margin of 25%, needs what amount of sales to "break-even"? a. $100,000 b. $120,000 $160,000 $240,000 d. 15 Scatter plots, the high-low method, and regression analysis all use historical data to project future costs. Which method is the most accurate? a. Scatter plots. b. High-low method. C. Regression analysis. d. All methods yeild the same results