=+7. The production operation of a product in a small factory involves a particular process which is performed on a single facility. During an eight hour working day, on average 45 products require to be processed by this facility, which completes the production process at an average speed of 8.5 minutes per product at a cost of £50. The management feels that in general the products are being delayed for too long by this operation. and hence wishes to increase the capacity of the facility concerned.