An office supply store open 5 days a week must determine the best inventory policy for boxes of copier paper. weekly demand is nearly constant at 250 boxes and when orders are placed, then entire shipment arrives at once. the cost per box is $22 and the inventory holding cost is 28%. orders are placed at a cost of $40 each, including preparation time and communication charges, and the lead time is 2 days. a. find the optimal order quantity. b. what is the reorder point? c. how often should an order be placed? d. what is the cycle time?

Acme foods wants to make its chips saltier, but it doesn't want to spend more than it has to on salt. a sample of consumers are asked to compare its current chip (saltiness = 100) with saltier versions and to say whether the new version is saltier. on average, sample consumers reliably say the new chip is saltier when its saltiness value is 108, but not when its saltiness value is below 108. assuming acme foods' sample consumers are representative of people in general, which of the following best represents the just noticeable difference for saltiness? a. 8% b. 108 c. 80% d. 100