need help completing journal entries

Exercise 4-15A Recording purchases, returns, and allowances-periodic LO P5 Apr. 2 Purchased $6,300 of merchandise from Lyon Company with credit terms of 2/15, 1/60, invoice dated April 2, and FOB shipping point. 3 Paid $353 cash for shipping charges on the April 2 purchase. 4 Returned to Lyon Company unacceptable merchandise that had an invoice price of $900. 17 Sent a check to Lyon Company for the April 2 purchase, net of the discount and the returned merchandise. 18 Purchased $13,300 of merchandise from Frist Corp. with credit teras of 1/10, 1/30, invoice dated April 18, and FOB destination. 21 After negotiations, received from Frist a $500 allowance toward the $13,300 owed on the April 18 purchase. 28 Sent check to Frist paying for the April 18 purchase, net of the allowance and the discount. Prepare journal entries to record each of the above merchandising transactions assuming that the buyer uses the periodic inventory system and the gross method. wowowo Date General Journal Debit Credit No 1 Apr 02 6,300 Accounts payable Lyon 6,300 Apr 03 353 Cash Apr 04 Accounts payable Lyon 900 900 Apr 17 Accounts payable Lyon 5,400 108 5.292 Cash Apr 18 13,300 13300 Accounts payable --Frist Apr 21 Accounts payable-Frist 500 Apr 28 Accounts payable-Frist Cash