The monthly incomes of A and B are in the ratio 5 : 2. B's monthly income is 12% more than C's monthly income. If C's monthly income is Rs. 15000, then find the annual income of A?	Choose the correct choice from the following choices
A) Rs. 420000 B) Rs. 180000 C) Rs. 201600 D) Rs. 504000 E) None of these
B's monthly income = 15000 * 112/100 = Rs. 16800   B's monthly income = 2 parts ----&gt; Rs. 16800   A's monthly income = 5 parts = 5/2 * 16800 = Rs. 42000   A's annual income = Rs. 42000 * 12 = Rs. 504000   ANSWER:Rs. 504000
<result>D</result>
The monthly incomes of A and B are in the ratio 5 : 2. B's monthly income is 12% more than C's monthly income. If C's monthly income is Rs. 15000, then find the annual income of A?