accounting test bank: Recording purchases of inventory at net amounts

Alex Co. records purchases at net amounts and uses periodic syatem. Prepare entries for the following:

June 11: Purchased merchandise on account, $5,000, terms 2/10, n/30.
June 15: Returned part of June 11 purchase, $800, and received credit on account.
June 30: Prepared the adjusting entry required for financial statements.