Sales 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, $57,000, terms FOB shipping point, n/15. Swan paidd freight of $1,745, which was added to the invoice. The cost of the goods sold was $37,960. 8. Swan Company sold merchandise on account to Bird Company, 350,250 , terms FoB deatination, n/15. The cost of the goods sold was 531,120 . 8. Swan Company paid freight of $1,255 for delivery of merehandise sold to Bird Company on April 8. 17. Bird Company pald Swan Company for purchase of April 2. 23. Bird Company paid Swan Company for purchase of April 8 . 24. Swan Company sold merchandise on account to Bird Company, $69,830, terms FOB shipping point, N/eom. The cost of the goods sold was 536,020 25. Swan Company paid Bird Company a cash refund of $2,310 for damaged merchandise in the April 8 sale. Bira Company kept the merehandise. 26. Bird Company paid freight of $810 on April 24 purchase from $wan Company. 30. Bird Company paid Swan Company on account for purchase of Apeli 24