Calculate Harold's net purchases. Harold's Five & Dime Harold's Five & Dime is a merchandising company that uses the periodic inventory system. Selected account balances are listed below. Sales $175,000 Gross purchases 90,000 Beginning inventory 23,000 Ending Inventory 17,000 Purchase returns and allowances 3,000 Purchase discounts 7.000 Transportation in 4,000 Sales discounts 8,000 Sales returns and allowances 5,000