what's the answer to this question

company purchased $2,200 of merchandise on July 5 with terms 2/10, 1/30. On July 7, it returned $400 worth of merchandise. On July 12, it paid the full amount due. assuming the company uses a perpetual inventory system, and records purchases using the gross method, the correct journal entry to record the payment on July 12 is: Multiple Choice Debit Merchandise Inventory $1800: Credit Cash $1.800. O Debit Cash $1,800; credit Accounts Payable $1,800. Debit Accounts Payable $1,800; credit Merchandise Inventory $36: credit Cash $1764 Debit Accounts Payable $2,200; credit Cash $2.200 O Debit Accounts Payable $1800; Credit Cash $1,800