The Green-Belt Company determines that the cost of manufacturing men's belts is $ 2 each plus $ 300 per day in fixed costs. The company sells the belts for $ 3 each. What is the break-even point?

Suppose that a company has determined that the cost of producing x items is

500 + 140x and that the price it should charge for one item is P = 200 - x

a. Find the cost function.

b. Find the revenue function.

c. Find the profit function.

d. Find the break-even point