The function graphed models the profits, P(c), in thousands of dollars a store earns as a function of the number of clerks, c, working that day. Which statements are true based on the model?

Select each correct answer.

The store loses money when 7 or more clerks are working.

Maximum profits are earned when there are 6 clerks working.

The store earns about $50,000 in profits on its best days.

The store earns profits when no clerks are working.

Maximum profits are earned when there are 3 clerks working.