help with this one please

help me with this one please

Purchased books on account for June 1 $1,040 from Catlin Publishers Sold books on account to Garfunkel Bookstore for $1,200. The cost of the merchandise sold 3 was $720. Received $40 credit for books 6 returned to Catlin Publishers. 9 Paid Catlin Publishers in full Received payment in full from 15 Garfunkel Bookstore Sold books on account to Bell Tower for $1,200. The cost of the 17merchandise sold was $730. Purchased books on account for 20 Publishers. 24 Tower. 26 full $720 from Priceless Book Received payment in full from Bell Paid Priceless Book Publishers in Sold books on account to General Bookstore for $1,300. The cost of 28the merchandise sold was $78o. Granted General Bookstore $130 credit for books returned costing 30 $80