On June 10, Diaz Company purchased $8,000 of merchandise on account from Taylor Company, FOB shipping point, terms 2/10, n/30. Diaz pays the freight costs of $400 on June 11. Goods totaling $300 are returned to Taylor for credit on June 12. On June 19, Diaz pays Taylor Company in full, less the discount. Both companies use a perpetual inventory system.

Instructions
a. Prepare separate entries for each transaction on the books of Diaz Company.
b. Prepare separate entries for each transaction for Taylor Company. The merchandise purchased by Diaz on June 10 cost Taylor $4,800, and the goods returned cost Taylor $180.