Transactions for Buyer and Seller Slevert Co. sold merchandise to Chang Co. on account, $7,750, terms 2/15, 1/30. The cost of merchandise sold is $4,650. Assume all discounts are taken Journalize Sievert Co.'s entries for (a) the sale on account and (b) the collection of the amount due. (a) (b) Joumalize Chang Co.'s entries for (a) the purchase of merchandise on account and (b) the payment of the amount due. (a) ] >