The Wonderlust Retail Company Ltd experiences relatively constant demand of 24 000 units per year for one of its products. 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 Wonderlust is:

A. 1549.

B. 3098.

C. 2191.

D. 2221.