At a casino in Mumbai, there are 3 tables A, B and C. The payoffs at A is 10 : 1, at B is 20 : 1 and C is 30 :1. If a man bets Rs. 200 at each table and win at two of the tables, what is the maximum and minimum difference between his earnings can be ?

• A. Rs. 4000
• B. Rs. 4500
• C. Rs. 2500
• D. Rs. 2000
• E. None of these