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2 (a) An engineer borrowed Rs. 3,00,000 from the bank, payable in six equal end-of-year payments at 12%. The bank agreed to reduce the interest on the loan if interest rates declined before the loan was fully repaid. At the end of 3 years, at the time of the third payment, the bank agreed to reduce the interest rate from 12% to 10% on the remaining debt. What was the amount of the equal annual end-of-year payments for each of the first 3 years? What was the amount of the equal annual end-of-year payments for each of the last 3 years