The Wood Furniture company produces a specialty wood furniture product, and has the following information available concerning its inventory items:Relevant ordering costs per purchase order $120. Relevant carrying costs per unit: Required annual return on investment 15%. Out of pocket costs per unit $1.60. Annual demand is 15,000 packages per year. The purchase price per package is $16. What is the economic order quantity? Select one: a. 949 units b. 1225 units O, 1,000 units O d. 15,000 units