A, B and C start a business each investing 20,000. After 5 months A withdrew 5000, B withdrew 4000 and C invests 6000 more. At the end of the year, a total profit of 69,900 was recorded. Find the share of B. Choose the correct choice
A) 20,000  B) 21,200  C) 28,200  D) 20,500  E) None of these
Ratio of the capitals of A, B and C   = 20000 × 5 + 15000 × 7 : 20000 × 5 + 16000 × 7 : 20000 × 5 + 26000 × 7   = 205000 : 212000 : 282000 = 205 : 212 : 282.   B’s share = (69900 × 212⁄699) = 21200;   Answer 28,200
<result>C</result>
A, B and C start a business each investing 20,000. After 5 months A withdrew 5000, B withdrew 4000 and C invests 6000 more. At the end of the year, a total profit of 69,900 was recorded. Find the share of B.