Holding cost per item per annum = 25% x $10 = $2.50
EOQ = √2DCo
EOQ = √2 x 1,000 x $150
EOQ = 346 units
EOQ is the square root of 2 multiplied by annual demand and ordering cost per order divided by holding cost per item per annum. EOQ is the quantity of stock that is bought each time a replenishment order is placed.
Based on the scenario being described it can be said that the brand that DeAngelo seems to have bought is known as a Generic Brand. These are a product brand that is distinguished by it's absence of any brand name on the package and instead it's package only defines it's characteristics. They usually are the cheapest option and compete with more expensive branded products.