Consider the following transactions for Grote's Shipping Materials: January 6 Grote's Shipping Materials buys $148,700 worth of merchandise inventory on account with credit terms of 3/10, n/30. January 13 Grote's Shipping Materials returns $10,900 of the merchandise to the vendor due to damage during shipment. January 16 Grote's Shipping Materials paid the amount due, less the return and discount. Journalize the purchase transactions assuming Grote's Shipping Materials uses the periodic inventory system.