(Note that /4 =0 in the optimum solution.)The cost of hiring and firing is a bit more
involved. We know that in any optimum solution, at least 40 temps (= must be
hired at the start of March to meet the month's demand. However, rather than treating thissituation as a special case, we can let the optimization process take care of it automatically. Thus,
given that the costs of hiring and firing a temp are $200 and $400,respectively, we have