What is the economic order quantity assuming each order was made at the economic-order-quantity amount?

Bear II supplies magnifying glasses to accountants throughout the country. Bear II purchases the magnifying glasses-from-a manufacturer which has a reputation for very high quality in its manufacturing operation. - Annual demand (weekly demand=1/52 of annual demand; daily demand=1/7.of-weekly demand) 20,800 units - Orders per year 201 + Lead time in days 15 days + Cost of placing an order $1009