Matching capacity and demand
•Anne Jenkins has a contract to deliver 100 computer systems a week to schools in South Wales.
•The systems have customised software installed, which takes an hour to test before delivery.
•The testing is done by trained staff, who achieve an average efficiency of 75%.
•They work a single eight-hour shift five days a week, but could move to double shifts or have overtime at weekends.
•How many testers should Anne employ?