# Math

posted by
**kenny**
.

A shoe company will make a new type of running shoe. The fixed cost for the production will be $54,000. The marginal cost will be $25 per pair of shoes. The shoes will sell for $115 for each pair.

a) Write the cost function

b) Write the revenue function

c) Find the number of shoes that must be sold for the company to break even.

d) How many shoes must be sold for the company to profit $180,000.