27. Your class is raising money by selling boxes of candy. The total cost of the candy is $120 and you charge $8 per box. The class's profit is given by the
function P(x) = 8x – 120, where x is the number of boxes of candy sold.
How does the graph of P change in each situation?
a. You increase your supply by spending an additional $150 on candy.
b. You decrease the amount you charge per box of candy to $6.