Friendly Skies Ltd operates the check-in facilities at domestic and international terminals throughout Australia. During May the following costs were incurred as passengers were processed by the check-in department at Brisbane Airport:

International terminal Domestic terminal Costs: Managers' and supervisors' salaries $18 000 $27 000 Check-in staff salaries 13 500 45 000 Depreciation on baggage handling equipment 29 340 57 600 Boarding passes, baggage tags and other consumables 3 700 2 520 Depreciation on computer hardware and software 9 000 30 600 Equipment insurance 900 2 340 Rent (allocated per square metre) 1 800 7 200 Electricity 2 160 5 940 Number of passengers processed 6 300 19 800