Noctis is selling fishing lures and the profits can be represented by the
graph above and the equation y = -x2 + 10x + 175. He sells the
fishing lures for 10 - x. What should he charge per fishing lure to make
the maximum profit, and what is the maximum profit he can make in
a month?
A. Cost: $10, Total profit: $175

B. Cost: $15, Total profit: $200

C. Cost: $5, Total profit: $200

D. Cost: $15, Total profit: $175