TrueBrew Coffee Ltd experiences relatively constant demand of 24000 units per year for one of its coffee pod machines. The product, a coffee-making machine, costs the firm $30. Placing an order costs $200 and annual carrying costs are $2 per unit. The firm works 200 days per year and desires a safety stock of 300 units. The lead time for an order is 15 working days. The economic order quantity for TrueBrew is? a. 2221 b. 3098 c. 2191 d. 1549