Using a computerized Inventory Management System, a Paint Supply Store franchise continuously monitors the inventory of all the paint located at each of their 15 stores and their distribution warehouse. The Paint Supply Store franchise sells an average of 42 gallons of Purple Paint every week (for 52 weeks per year, Standard Deviation of the Demand = 8 gallons). They purchase Purple Paint from their supplier at a price of $2,50 per gallon. It takes 1.50 weeks to receive an order from the supplier. Administrative costs for Ordering paint have been estimated to be $20 per order. Holding Costs = 40% of the purchase price per gallon per year.

What is the most Economic Order Quantity.