Ken Black plans to buy a truck for $$24,000$ after three years. If the interest rate is $6\%,$ how much money should Ken set aside today for the purchase? $($For calculation purposes, use $5$ decimal places as displayed in the factor table provided, e$.$g$.5\mathrm{.}25471.$ Round final answer to $2$ decimal places, e$.$g$.2,552\mathrm{.}75.)$

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