6 . Mike wants to accumulate an amount of money in an investment plans . He deposits $ 200 at the end of each month . The interest is earned 4.5 % per year .
( a ) Let P be the value of the investment after ten years . Find the value of
P . [ 3 ]
( b ) If Mike wants to adjust the amount of deposit such that the value of the investment after twelve years is 5P , find the new amount of deposit .
[ 3 ]
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