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 choice from the following choices
A) 5500  B) 6500  C) 7000  D) 7700  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?