Dane's Aircraft Muffler Manufacturers Have 1500 Linear Feet of Steel

Multiple Choice

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