Martinez's Warehouse distributes hardback books to retail stores and extends credit terms of 2/10, n/30 to all of its customers. During the month of June, the following merchandising transactions occurred. June 1 Purchased books on account for $1,060 from Catlin Publishers, terms 2/10, n/30. 3 Sold books on account to Garfunkle Bookstore for $1,130. The cost of the books sold was $790. 6 Received $60 credit for books returned to Catlin Publishers. 9 Paid Catlin Publishers in full. 15 Received payment in full from Garfunkle Bookstore. 17 20 Sold books on account to Bell Tower for $1,000. The cost of the merchandise sold was $670. Purchased books on account for $700 from Priceless Book Publishers, terms 1/15, n/30. 24 Received payment in full from Bell Tower. 26 Paid Priceless Book Publishers in full. 28 Sold books on account to General Bookstore for $1,370. The cost of the merchandise sold was $710. 30 Granted General Bookstore $150 credit for books returned costing $90.