Sarita borrowed Rs 1,00,000 from Sita for 2 years at the rate of 10% yearly compound interest. At the same time, she invested the same sum for the same time and rate compounded semi-annually. a) Write down the formula to find the half yearly compound interest. b) How much benefit did Sarita get in the transaction? Find it. [1 K] [2 A] c) If Sarita invested the amount for the first 1 year at half-year compound interest and for remaining 1 year with quarterly compound interest, how much more amount would she have benefited? [2 HA]​