A manufacturer sells watches for $75 per unit. The fixed costs related to this product are $8,000 per month, and the variable costs are $55 per unit. Which of the following is the equation for the profit function 
where x denotes the number of watches produced and sold?
Definitions:
Incremental Cost Approach
A decision-making process that focuses on the changes in total cost that would result from a decision to pursue one alternative over another.
Income Taxes
Taxes charged by the government on earnings generated by businesses and individuals within its jurisdiction.
Net Present Value
A calculation used to estimate the value of an investment, adjusting for its cash inflows and outflows over time and discounting them to the present day.
Post Audit
A review conducted after the completion of a project or period to evaluate its compliance with projected outcomes and objectives.
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