Sheffield Warehouse distributes hardback books to retail stores and extends credit to all of its customers. During the month of June, the following merchandising transactions occurred. June 1 Purchased books on account for $2,845 from Catlin Publishers. 3 Sold books on account to Garfunkel Bookstore for $1,400. The cost of the merchandise sold was $800. 6 Received $45 credit for books returned to Catlin Publishers. 9 Paid Catlin Publishers in full. 15 Received payment in full from Garfunkel Bookstore. 17 Sold books on account to Bell Tower for $1,400. The cost of the merchandise sold was $850. 20 Purchased books on account for $719 from Priceless Book Publishers. 24 Received payment in full from Bell Tower. 26 Paid Priceless Book Publishers in full. 28 Sold books on account to General Bookstore for $1,700. The cost of the merchandise sold was $770. 30 Granted General Bookstore $210 credit for books returned costing $30. - Decreases in assets, liabilities, or stockholders' equity require a negative sign or parentheses. - Increases in expenses require a negative sign or parentheses. - Reductions in revenues require a negative sign or parentheses