Please explain how and why. Thank you

Ows C SiOp t6 Bbreak even? Car Wash has fixed costs per month of $16,800, and variable costs are 20% of sales. The averag nt collected per car washed during the past year has been $5. How many cars must be washed pe amou month to break even? 12. You have graphed the cost-volume-profit relationships for a company on a bre informed of certain assumptions. Explain how the lines on the chart would change if (a) fixed costs in creased over the entire range of activity, (b) selling price per unit decreased, and (c) variable costs per uni increased. 13. Define contribution margin. Is it best expressed as a total amount or as a per-unit amount? In what way is the term descriptive of the concept it represents? 14. Explain the approach to break-even analysis that is used for a mix of two or more products. 15. Explain how break-even formulas can provide income-planning analyses 16 In planning net income, how can (post tax) net income be incorporated into the planning formula