Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: It went down in value 1000 * 6 = $6000. So the car is worth 20000 - 6000 = $14,000.
 The question and answer:
user
Tim's car goes down in value by $1000 a year. He bought it for $20,000. How much is it worth after 6 years?
The answer is 14000
assistant