Madam Co., a women's clothing store, purchased $10,000 of merchandise from a supplier on account, terms FOB

Madamé Co., a women's clothing store, purchased $10,000 of merchandise from a supplier on account, terms FOB destination, 2/10, n/30. Madamé Co. returned $2,500 of the merchandise, receiving a credit memorandum, and then paid the amount due within the discount period. Journalize Madamé Co.'s entries to record
(a) The purchase,
(b) The merchandise return,
(c) The payment.