Preparing and Adjusting Profit Equation

Assume Strands Salon, a San Diego hair salon, provides haircuts for $$60.$ Annual fixed costs are $$576,000$ and the company estimates $$15\mathrm{.}30$ in variable costs per haircut. REQUIRED

a$.$ Determine the annual profit equation.

Total profit $x17\mathrm{.}68x$ Number of haircuts $])])$

b$.$ If the company forecasts that it will provide $21,600$ haircuts in the following year, what are estimated profits? $ $$

c$.$ How does your answer to part b change if fixed costs are expected to increase by $10\%$ and variable cost per unit are expected to increase by $$3\mathrm{.}74$ per haircut?

Estimated profits: $ $$