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1. Mrs Wong deposited a certain amount of money in abank to earn interest. The total amount $A she van obtain after t years isgiven byA = 10000 ( 1+ 0.02 t )(a) How much did Mrs Wong deposit at the beginning ?(b) If Mrs Wong has deposited the money for at least twoyears, at least how much can she obtain from the bank ?(c) At least how many years should Mrs Wong wait untilshe can obtain a total amount of $12000 from the bank ?