Task: Question Answering
Input (English): Question: A small library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in a month of 30 days beginning with a Sunday?

 Option A: 200

 Option B: 300

 Option C: 285

 Option D: 400

 Option E: 450
Output (English): Option C