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You make a deposit into your bank account today. The amount is sufficient for you to make $20$ quarter$-$end withdrawals of $4,000$ starting in $3$ months. How much should you deposit today if you earn an interest rate of $7\mathrm{.}4\%$ p$.$a$.$ compounded monthly? $($Correct your answer to the nearest cent without any unit $($no need to put $$).$Do not use $","$ in your answer. e$.$g$.20233\mathrm{.}12)$

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