During storm$-$related power outages, Duke Energy, a respected utilities provider, offers those residents affected and without power an estimate of when power would be restored. Which would be a reason Duke would NOT guarantee customers an exact time of power restoration?

Question $5$ options:

The prices for the service are high.

The negative impact of unsolved problems is high.

Service quality is truly uncontrollable.

The company has a poor image for service quality.

The company depends on frequent customer purchases.