Aug. 1 Purchased merchandise from Arotek Company for $7,000 under credit terms of 1/10, n/30, FOB destination, invoice dated August 1. 5 Sold merchandise to Laird Corp. for $4,900 under credit terms of 2/10, n/60, FOB destination, invoice dated August 5. The merchandise had cost $3,499. 8 Purchased merchandise from Waters Corporation for $6,300 under credit terms of 1/10, n/45, FOB shipping point, invoice dated August 8. The invoice showed that at Sheng