On January 1, 2018, Byner Company purchased a used tractor. Byner paid $4,000 down and signed a noninterest-bearing note requiring $20,000 to be paid on December 31, 2020. The fair value of the tractor is not determinable. An interest rate of 5% properly reflects the time value of money for this type of loan agreement. The company's fiscal year-end is December 31.

Required:
1. Prepare the journal entry to record the acquisition of the tractor.
2. How much interest expense will the company include in its 2018 and 2019 income statements for this note?
3. What is the amount of the liability the company will report in its 2018 and 2019 balance sheets for this note?