Figure
-What Is the Allowable Range for the Objective $\le$

Multiple Choice

Figure
-What is the allowable range for the objective function coefficient for Activity 3?

A) 150 $\le$ A3 $\le$ $\infty$ .
B) 0 $\le$ A3 $\le$ 650.
C) 0 $\le$ A3 $\le$ 250.
D) 400 $\le$ A3 $\le$ $\infty$ .
E) 300 $\le$ A3 $\le$ 500.