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Online ProgramJohn keeps a certain sum of money in a bank for a period of 3 years. The bank gives him 10% p.a. simple interest. His friend Karen keeps the same amount of money in another bank for a period of 3 years at the rate of interest 10% p.a. compounded annually. Karen gets $24.80 more than John as the interest. Find the sum invested by John? Enter your answer in the box below.