Please complete all 4 parts to Question 4.

Problem 4. Indicate whether the following statements are true or false. Explain each part briefly. a) Both your setup cost and cost per unit increased by \% 30 . Other than this, nothing else has changed. Despite these cost increases, the EOQ stays the same. (3 points) b) Assume that after you place your order, you receive the items after 1 week (lead time) rather than instantaneously. Your order quantity will increase in comparison to the case where there is no lead time. (3 points) c) In the EOQ model, decreasing the order quantity will decrease the purchasing cost. ( 3 points) d) Assume that your company is manufacturing the items, and they are produced at a constant rate of 10 items per hour. Your optimal order quantity will increase in comparison to the case, where you are not producing and receiving the order at once from the supplier. (3 points)