Production model EPQ: Goodyear must decide on an economic production order for a certain line of tires that have a fairly steady demand pattern. In fact, daily demand is $400$ per day on the average for $300$ days per year. The production rate of the tires is $1000$ per day when in production. The cost to set up the machines is $$500$ while the holding cost per unit is $$5/$unit$/$year$.$ What would be the economic production order quantity for the product?