Score: $\frac{312}{450}$

Question Value: $35$

Jenna owns a bakery and has two employees. Because she is not sure whether she should hire a third worker, she would like to try hiring this worker and monitor her business. After hiring the third worker, Jenna then notices that her total costs have increased by $$2,500,$ and her total revenue has increased by $$3,350.$ What decision should Jenna make?

Let the third worker go immediately.

Keep the third worker and also hire another three workers.

Find someone else to replace the $t{k}_m$ ind worker due to low productivity.

Keep the third worker and experiment by hiring a fourth worker.