Record the following transactions on the books of Concord Corporation (Credit account titles are automatically indented when amount is entered. Do not indent manually.) (a) On July 1, Concord Corporation sold merchandise on account to Waegelein Inc. for $16,700, terms 4/10, n/30. (b) On July 8, Waegelein Inc. returned merchandise worth $4,300 to Concord Corporation. (c) On July 11, Waegelein Inc. paid for the merchandise. Account Titles and Explanation Debit Credit