A company produces a product for which the variable cost is $12.30 per unit and the fixed costs are $98,000. The product sells for $17.98. Let x be the number of units produced and sold.
(a) The total cost for a business is the sum of the variable cost and the fixed costs. Write the total cost C as a function of the number of units produced.
(b) Write the revenue R as a function of the number of units sold.
(c) Write the profit P as a function of the number of units sold. (R = R - C)