Enid Co., a women's clothing store, purchased $7,500 of merchandise from a supplier on account, terms FOB destination, 2/10, n/30. Enid Co. returned $1,200 of the merchandise, receiving a credit memorandum, and then paid the amount due within the discount period. Journalize Enid Co.'s entries to record
(a) The purchase,
(b) The merchandise return, and
(c) The payment.