9) : (12000 x 3 + 17000 x 9) : (21000 x 6)= 147 : 189 : 126= 7 : 9 : 6 (B's SHARE) - (C's share) = Rs. [ 26400 x (9/22) - 26400 x (6/22)]= Rs. (10800 - 7200) = Rs. 3600