=+PR 6-4B Purchase-related transactions obj. 3 Jan. 16. Sold merchandise on account to Keystone Co., $16,500, terms FOB shipping point, 1/10, n/30. The cost of merchandise sold was $10,000.

18. Issued credit memo for $2,000 to Keystone Co. for merchandise returned from sale on January 16. The cost of the merchandise returned was $1,200.

19. Sold merchandise on account to Cooney Co., $15,750, terms FOB shipping point, 2/10, n/30. Added $400 to the invoice for prepaid freight. The cost of merchandise sold was $9,500.