A company distributes college logo sweatshirts as well as sells them for $75 each. The total cost function is linear, and the total cost for 100 sweatshirts is $4560, while the total cost for 275 sweatshirts is $8060.
a. Write the equation for the revenue function.
b. Write the equation for the total cost function.
c. Find the break-even point.
d. Graph the revenue and cost functions and label the loss and profit regions.