A film-processing laboratory uses 37.5 litres of developer per week and is open for business 50 weeks in a year. Administrative and other cost of orde

A film-processing laboratory uses 37.5 litres of developer per week and is open for business 50 weeks in a year. Administrative and other cost of ordering a consignment of developer are $15 and it costs $10to keep 1 litre of developer in stock for a year. Use Economic Order Quantity formula to work out how much developer should be ordered each time they need to replenish their stock.