Profitability Analysis Assume a local Cost Cutters provides cuts, perms, and hairstyling services. Annual fixed costs are $135,000, and variable costs are 50 percent of sales revenue. Last year's revenues totaled $310,000. (a) Determine its break-even point in sales dollars.

(b) Determine last year's margin of safety in sales dollars.

(c) Determine the sales volume required for an annual profit of $50,000.