Sandeep Mahat $11/09/238$:$27$ PM

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An investment of $$3984\mathrm{.}59$ earns interest at $6\mathrm{.}3\%$ per annum compounded semi$-$annually for $3$ years. At that time the interest rate is changed to $15\mathrm{.}3\%$ compounded monthly. How much will the accumulated value be $3\mathrm{.}5$ years after the change?

The accumulated value is $

$($Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.$)$