Sinha and Mitra started a business by investing Rs.52000 and Rs.55000 respectively, after three months Mitra invested Rs.5000 more in the business. What is the share of Mitra in the half year profit of Rs.26280 ?
Choose one:
A) Rs.13800
B) Rs.12000
C) Rs.14200
D) Rs.13980
E) Rs.13860
Sinha = 52000 x 6 = 312000.   Mitra = 55000 x 3 = 165000 + 60000 x 3 = 180000 = 345000.   Ratio of investments = Sinha : MItra = 312000 : 345000 = 104 : 115 =&gt; [219 units].   Mitra share in the profit = 25280 × 115 / 219 = Rs.13800   Option Rs.13800
<result>A</result>
Sinha and Mitra started a business by investing Rs.52000 and Rs.55000 respectively, after three months Mitra invested Rs.5000 more in the business. What is the share of Mitra in the half year profit of Rs.26280 ?