A machine service facility specializes in the repair of machines whose breakdowns are in accordance to Poisson process. The cost of an idle machine hours is Sh. 250 per hour. A technician services the machines at the rate of 7 machines per hour. The technician can service the machines at an average of 9 machines per hour if he attends a one week comprehensive training at a cost of Sh. 11, 000. Assume that the facility operates for 8 hours per day and a 5 day-training week. The average break down of the machines is 5 machines per hour. Required: Determine whether the technician should attend the training