Additional Algo 12-6 Quantity Discounts A retailer estimates their holding cost at 30% and incurs a fixed cost of $75 for each order. Demand for an item is 1,625 units per year. A supplier offers a price of $8 each for quantities less than 300 units and a price of $7.84 for quantities over 300 units. Round your answer to the nearest integer value. How many units should the retailer order at one time? units