A and B started a partnership business investing Rs. 20,000 and Rs. 15,000 respectively. C joined them with Rs. 20,000 after six months. Calculate B's share in total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business?	Choose the correct answer:
A) 6500
B) 2500
C) 5000
D) 10000
E) 7500
A : B : C   =20000×24:15000×24:20000×18   =20×4:15×4:20×3   =4×4:3×4:4×3   =4:3:3   B's share = 25000×(3/10)=7500   Answer is 7500.
<result>E</result>
A and B started a partnership business investing Rs. 20,000 and Rs. 15,000 respectively. C joined them with Rs. 20,000 after six months. Calculate B's share in total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business?