Sales-Related and Purchase-Related Transactions for Seller and Buyer Using Perpetual Inventory System The following selected transactions were completed during April between Swan Company and Bird Company: Apr. 2. Swan Company sold merchandise on account to Bird Company, $32,000, terms FOB shipping point, 2/10, n/30. Swan Company paid freight of $330, which was added to the invoice. The cost of the merchandise sold was $19,200. 8. Swan Company sold merchandise on account to Bird Company, $49,500, terms FOB destination, 1/15, n/30. The cost of the merchandise sold was $29,700. 8. Swan Company paid freight of $710 for delivery of merchandise sold to Bird Company on April 8 . 12. Bird Company paid Swan Company for purchase of April 2. 18. Swan Company paid Bird Company a refund of $2,000 for defective merchandise in the April 2 purchase. Bird Company agreed to keep the merchandise. 23. Bird Company paid Swan Company for purchase of April 8 . 24. Swan Company sold merchandise on account to Bird Company, $67,350, terms FOB shipping point, n/45. The cost of the merchandise sold was $40,400. 26. Bird Company paid freight of $875 on April 24 purchase from Swan Company