pls help with part A.

Purchase-related transactions The Stationery Company purchased menchandise on account from a supplier for $18,100, terms 2/10,n/30. The Stationery Company returned merchandise with an involce amount of $2,400 and recelved full credit. a. If The Stationery Company pays the invoice within the discount period, what is the amount of cash required for the payment? x b. Under a perpetual inventory system, what account is credited by The Stationery Company to record the roturn? restad a. Since buyers normally take all purchese discounts, the net purchase price is recorded at the time of purchase. If the buyer makes a return of merchandise or is granted a price allowance for an invoice with a purchase discount, the amount of the return is recorded at the invoice price iess the discount. b. Any discounts or retums are reconded directly by the buyer who reduces the balances of accounts Payable and inventory, using a debit memo based on the ne cost of the merchandise