The transport firm ORGASA has a training programme for the truck drivers who

are to start working for the firm. Provided that the number of drivers per class is

lower than or equal to $35,$ a $6-$week training programme costs ORGASA $$22,000,$

which includes driving instructors, equipment, etc. ORGASA$$s training pro$-$

gramme must provide the firm approximately five new drivers each month. Once

the training programme has finished, new drivers are paid $$1,600/$month$,$ but they

do not work until a full$-$time post becomes available. ORGASA considers the

$$1,600/$month it pays each new