Chapter 12, question 21: Wang Distributors has an annual demand for an airport metal detector of 1,400 units. The cost of a typical detector to Wang is $400. Carrying cost is estimated to be 20% of the unit cost, and the ordering cost is $25 per order. If Ping Wang, the owner, orders in quantities of 300 or more, he can get a 5% discount on the cost of the detectors. Should Wang take the quantity discount? EOQ (with discount) - 40.3 EOQ (with discount) - 300 EOQ (with discount) - 500 EOQ (with discount) - 400 EOQ (with discount) - 30,3