Please define and give formula of the following (if there is any):1. Absorption costing2. Activity bases (drivers)3. Break-even point4. Contribution margin5. Contribution margin ratio6. Cost...

Please define and give formula of the following (if there is any): 1. Absorption costing 2. Activity bases (drivers) 3. Break-even point 4. Contribution margin 5. Contribution margin ratio 6. Cost behavior 7. Cost- volume- profit analysis 8. Cost - volume -profit chart 9. Fixed cost 10. High-low method 11. Margin of safety 12. Mixed costs 13. Operating leverage 14. Profit-volume chart 15. Relevant range 16. Sales mix 17. Unit contribution margin 18. Variable costing 19. Variable costs