Mr Amin borrowed a certain sum from Mr Visvas. He borrowed for first 2 year at 8% per annum, for next 3 years at 11% per annum and beyond that at 14% per annum. Mr Amin paid Rs 10,920 as Simple interest in 8 years. Find how much he had borrowed?

• A. Rs 12000
• B. Rs 15000
• C. Rs 14000
• D. Data insufficient
• E. None of these