A negative externality is when a good costs much greater than what the consumer pays for it. Since you did not provide the possible answers, use this explanation to find the correct answer among the ones you might have.
Explanation:
the push or pull that tends to change a body from motion to rest or rest to motion is force
Your computer will absolutely benefit. Disk Cleanup is a Windows tool that lets you clean junk files and temporary files that are no longer needed, thus increasing space and performance.