19) Journalize the following purchase transactions for Rocky's Swimming Pool Supply Company using the periodic inventory system. Explanations are not required. May 2 Purchased $5,280 of merchandise inventory on account under terms 3/10, n/30 and FOB shipping point. May 6 Returned $675 of defective merchandise purchased on May 2. May 8 Paid freight bill of $120 on May 2 purchase. May 12 Paid amount owed on credit purchase on May 2.