please solve this accounting problem for me asap

Custom Uniforms (CU)) sells uniforms to sports teams, businesses and schools. Customer Uniforms is using perpetual inventory system. Estimated returns is 8%. During May for CU the following transactions occurred. Prepare necessary entries. May 7 Purchased $30,000 of merchandise from Surplus Uniforms, terms, FOB shipping point. May 9 Sold $18,000 of merchandise for $32,000 to Valley Sports. Terms May 11 Paid Surplus Uniforms full amount owed. May 16 The appropriate party paid $600 freight charges on May 7 purchase. May 17 May 18 May 20 Sold $10,000 of merchandise for $27,500 to Humber Golf. Terms destination Purchased $23,000 of merchandise from Smiths Clothing. Terms 2/10,n/60. FOB destination. The appropriate party paid $650 freight charges on May 17 purchase. May 22. The appropriate party paid $675 freight charges for May 20 sale. May 24. Received full payment owing from Valley Sports. May 25. CU $1,500. May 26. Received full payment owing from Humber Golf. Humber Golf returned $3,000 of merchandise. The merchandise 1/10, /60. n/30. n/30. FOB cost