item value = $10+$2 per unit, order cost = $50

.2 Demand for a product at a depot is at a constant rate of 250 units per week. The product is supplied to the depot from the factory. The factory cost is $10 per unit, while the total cost of a shipment from the factory to the depot when the shipment has size M is given by Shipment cost =$50+$2M The inventory carrying cost in $/$/ week is 0.004. Determine the appropriate shipment size