A Company's Old Machine That Cost $40,000 and Had Accumulated

A company's old machine that cost $40,000 and had accumulated depreciation of $22,000 was traded in on a new machine having an estimated 20-year life with an invoice price of $45,000. The company also paid $33,000 cash, along with its old machine to acquire the new machine. If this transaction has commercial substance, the new machine should be recorded at:

A) $51,000.
B) $18,000.
C) $40,000.
D) $33,000.
E) $45,000.