The incomes of two persons A and B are in the ratio 3 : 4. If each saves Rs.100 per month, the ratio of their expenditures is Rs. 1 : 2. Find their incomes.

• A. Rs. 100 and Rs.150
• B. Rs. 150 and Rs.200
• C. Rs.200 and Rs.250
• D. Rs.250 and Rs.300