Purchased merchandise from Abilene Company for $6,000 under credit terms of 1/10, n/30, FOB destination, invoice dated August 1. 4 At Abilene's request, Stone paid $100 cash for freight charges on the August 1 purchase, reducing the amount owed to Abilene. 5 Sold merchandise to Lux Corp. for $4,200 under credit terms of 2/10, n/60, FOB destination, invoice dated August 5. The merchandise had cost $3,000. 8 Purchased merchandise from Welch Corporation for $5,300 under credit terms of 1/10, n/45, FOB shipping point, invoice dated August 8. The invoice showed that at Stone