As manager of a local amusement park, you have recognized that hiring additional workers to operate food carts and ice cream stands on the premises has generated additional sales. The total cost of hiring is: 1000+3Q2. The total benefit of hiring is: 2000Q -4Q2. Interpret Q as the number of workers hired.

a.What level of hiring provides the greatest benefit?

b. What level of hiring provides the minimum cost?

c. What is the optimal level of hiring?