Import quotas on sugar result in lower sugar prices in the United States

Refer to the figure above. When the demand curve for flash drives is D and the supply curve of flash drives is S1, the equilibrium price is:

A) $3. B) $4. C) $5. D) $7.

The marginal cost curve intersects the average variable cost curve (AVC)

a. only when the AVC is rising b. at the AVC curve's maximum point c. at the AVC curve's minimum point d. only when the AVC is sloping downward e. when the AVC intersects the fixed cost curve