A lathe priced at a fair market value of $124,000 is acquired in a transaction that has commercial substance by trading in a similar lathe and paying cash for the difference between the trade-in allowance of $45,000 and the price of the new lathe. Assuming that the book value of the lathe traded in is $36,000, what is the gain or loss on the exchange? a. loss of $9,000 b. loss of $12,000 c. gain of $12,000 d. gain of $9,000