Dane's aircraft muffler manufacturers have 1500 linear feet of steel on hand to manufacture the three top selling muffler sets. Super mufflers (S) provide $285 profit and common (C) mufflers' profit margin is $310, while the deluxe (D) muffler set provides a $400 profit margin. It costs Dane $310, $295, and $400 to build each muffler set, respectively. What is the objective function of Dane's aircraft muffler manufacturing?
a) Min S, C and D
b) MAX S, C, and D
c) Max 285S + 310C + 400D
d) Min 285S + 310C + 400D
e) Max 310S + 295C + 400D
Answer: c