โช Choose the correct option.
A and B entered into a partnership investing Rs.16000 and Rs.12000 respectively. After 3 months, A withdrew Rs.5000 while B invested Rs.5000 more. After 3 more months C joins the business with a capital of Rs.21,000. The share of B exceeds that of C, out of a total profit of Rs.26,400 after one year, by :