Answer:
b. 4 units of output
Step-by-step explanation:
MC and AVC have the following relationship:
a. MC is above AVC when AVC is rising
b. MC is below AVC when AVC is falling
c. MC = AVC when AVC is at its minimum
Thus, MC would intersect the AVC curve at its minimum point. Since AVC is minimum at 4 units of output equal to 65. It means MC intersects AVC at 4 units of output.