In choosing to optimize the number of employees hired, a company should continue hiring until

Select one:

a.

the benefit derived from the first employee hired is equal to the benefit derived from the last employee hired.

b.

the additional cost imposed on the company from hiring the next employee is decreasing faster than the increase in the additional benefit derived from the next employee hired.

c.

the additional cost imposed on the company from hiring the next employee is equal to the additional cost imposed on the company from the previous employee who was hired.

d.

the additional benefit derived from the next employee hired is equal to the additional cost imposed on the company from hiring that next employee.