Longmire & Sons made sales on creLongmire & Sons made sales on credit to Alderman Sports totaling $500,000 on April 18. The cost of the goods sold is $400,000. Longmire estimates 3% of its sales to Alderman may be returned. On May 22, $9,000 worth of goods (with a cost of $7,200) are returned by Alderman. Longmire uses a periodic inventory system.dit to Alderman Sports totaling $500,000 on April 18. The cost of the goods sold is $400,000. Longmire estimates