help with journal pls

Joumatize encries for the following related transactions of Greervile Heating \& Aur Company Refer to the chart of accounts for the exact wording of the account indent a critif entry when a credit amount is entered. Mar: 1 Putchased \$57,000 of merchandise from Foster Co on account, terms 2/10, n/30. 9 Paid the amount owed on the invoira within the discourt period. 11 Discovered that $11,000 of the merchandise purchased on March 1 was defoclive and returned thems. receiving credit for $10,780$11,000($11,0002%)) 19 Purchased 56,300 af merchandise from Foster Co. on account, ferms N/30. 20. Received a refand trom Foster co tor retum on Mar. 11 leas the purchase on Mar. 10 . Nocrnalize entries for the related March transactions of Gmenvile Howating \& Aur Campary Fefor fo the chart of accounts for the exact wording of the account tifes a credit amount is enfered