A, B and C start a business with each investing Rs 20,000. After 5 months A withdraws Rs 5000, B withdraws Rs 4000 and C invests Rs 6000 more. At the end of the year, a total profit of Rs 69900 was recorded. Find the share of A.  Choose the correct choice from the following answers:	A) 20000	B) 21500	C) 20500	D) 22000	E) 21000
A : B : 20500   =(20000×5+15000×7)   :(20000×5+16000×7)   :(20000×5+26000×7)   =(20×5+15×7)   :(20×5+16×7)   :(20×5+26×7)   =205:212:282   A's share =69900×205/(205+212+282)   =69900×205/699   =20500   Answer is 20500.
<result>C</result>
A, B and C start a business with each investing Rs 20,000. After 5 months A withdraws Rs 5000, B withdraws Rs 4000 and C invests Rs 6000 more. At the end of the year, a total profit of Rs 69900 was recorded. Find the share of A.