Roley Corporation uses a periodic inventory system and the gross method of accounting for purchase discounts. On July 1, Roley purchased $60,000 of inventory, terms 2/10, n/30, FOB shipping point. Roley paid freight costs of $1,200. On July 3, Roley returned damaged goods and received credit of $6,000. On July 10, Roley paid for the goods. Prepare all necessary journal entries for Roley.