Purchase-related transactions

The Stationery Company purchased merchandise on account from a supplier for $7,600, terms 2/10, n/30. The Stationery Company returned merchandise with an invoice amount of $900 and received full credit.

a. If The Stationery Company pays the invoice within the discount period, what is the amount of cash required for the payment? fill in the blank 1 of 1$

b. Under a perpetual inventory system, what account is credited by The Stationery Company to record the return?

Accounts PayableCost of Merchandise SoldInventorySales