Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

1. A Option A: Rs. 6400
2. B Option B: Rs. 6500
3. C Option C: Rs. 7200
4. D Option D: Rs. 7500
5. E Option E: None of these

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