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?