Record the following transactions on the books of Novak Corp. (Credit account titles are automatically indented when amount entered. Do not indent manually.) (a) On July 1, Novak Corp. sold merchandise on account to Waegelein Inc. for $16,100, terms 2/10,n/30. (b) On July 8, Waegelein Inc returned merchandise worth $4,100 to Novak Corp. (c) On July 11, Waegelein Inc. paid for the merchandise. Account Titles and Explanation Debit Credit (a) (b) (c)