A Vacuum Moulding Machine, Originally Priced at $140,000 Was Purchased

A vacuum moulding machine, originally priced at $140,000 was purchased for $100,000 from industrial liquidators. It was subsequently sold five years later for $75,000. Straight-line accumulated amortization amounted to $50,000. The sale of the machine produced

A) A gain of $5,000
B) A gain of $15,000
C) A loss of $15,000
D) A gain of $25,000
E) A loss of $25,000