Task: Question Answering
Input (English): Question: An analysis of the monthly incentives received by 5 salesmen : The mean and median of the incentives is $7000. The only mode among the observations is $12,000. Incentives paid to each salesman were in full thousands. What is the difference between the highest and the lowest incentive received by the 5 salesmen in the month?

 Option A: $4000

 Option B: $13,000

 Option C: $9000

 Option D: $5000

 Option E: $11,000
Output (English): Option E