The Long-Run Average Total Cost Curve Is Often Bumpy Because

Multiple Choice

The long-run average total cost curve is often bumpy because

A) capital can be varied only in tiny increments.
B) capital can often be varied only in large increments.
C) short-run average variable cost curves are bumpy.
D) short-run average total cost curves are bumpy
E) capital cannot be increased with labor at the same time.