An on-line grocery retailer must decide on how many of two types of pickersto employ in order to process customer orders. Novice pickers are paid £6 per hour and can process 20 orders per hour. Experienced pickers are paid £10 per hour and can process 40 orders per hour. The retailer has the following goals:
Goal 1: The retailer wishes to employ exactly 15 pickers.
Goal 2: The retailer wishes to process at least 500 orders per hour.
Goal 3: The retailer wishes for the total wage bill not to exceed £95 per hour.