please do a,b,c

Prepare the journal entries to record the following transactions on Flora Company's books using a perpetual inventory system (a) On March 12, Flora Company sold $900,000 of merchandise to Sania Company, terms 1/10, n/30. The cost of the merchandise sold was $590,000. I (b) On March 18. Sania Company returned 90,000 of the merchandise purchased on March 12. The cost of the returned merchandise was $62,000. (e) On March 22. Flora Company received the balance due from Sania Company