Answer:
Shut down the two most inefficient factories and produce at the most efficient one until marginal cost is $10.
Step-by-step explanation:
- There are three macaroni and cheese factories that differ in efficiency, the government can close the inefficient factories and produce the most efficient one until the marginal cost is $ 10. Because it is a waste of time for unskilled factories, there will be more macaroni and cheese due to unskilled factories.
- so to profit the most as a country, nation's government do Shut down the two most inefficient factories and produce at the most efficient one until marginal cost is $10.