Lewis Company traded machinery with a book value of $570,000 and a fair value of $540,000. It received in exchange from Timmons Company a machine with a fair value of $600,000. Lewis also paid cash of $60,000 in the exchange. Timmons's machine has a book value of $570,000. What amount of gain or loss should Lewis recognize on the exchange? a. $60,000 gain b. $ -0-. c. $3,000 loss d. $30,000 loss