Assume a local cost Cutters provides cuts, perms, and hairstyling services. Annual fixed costs are $120,000, and variable costs are 40 percent of sales revenue. Last year's revenues totaled $240,000. Required 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 $70,000