A, B and C can do a work in 10 days, 20 days and 25 days respectively. A started the work, Due to excess raining A works only for a half day. Next day onwards they all work alternatively starting with C followed by B and A respectively and completes the remaining work. If they receive Rs. 2000 as total wages and all spends 50% of their earned wages in buying new clothes. Find the difference between A’s share and B’s share from the remaining amount.