Assume this transaction has commercial substance unless instructed otherwise. Williams Company exchanged a used machine with Doerr Company for a similar machine with less use. Williams' mold machine originally cost $50,000 and had accumulated depreciation of $40,000, as well as a market value of $40,000, at the time of exchange. Doerr's old machine originally cost $60,000 and at the time of the exchange had a book value of $30,000 and a market value of $32,000. Doerr gave $8,000 cash as part of the exchange. What are the journals?