Task: Question Answering
Input (English): Question: A survey reveals that the average income of a company’s customers is $50,000 per year. If 50 customers respond to the survey and the average income of the wealthiest 10 of those customers is $75,000, what is the average income of the other 40 customers?
Is there a way to solve this using weighted average concept instead of doing tedious calculations?

 Option A:  $27,500

 Option B:  $43,750

 Option C:  $37,500

 Option D:  $42,500

 Option E:  $50,000
Output (English): Option B