Roley Corporation uses a periodic inventory sysytem and the gross method of accounting for purchases discounts. On July 1, Roley purchased $60,000 of inventory, terms 2/10, n/30, FBO 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.