A $$$$18$ comma $000,7\mathrm{.}3\%$ bond redeemable at par is purchased $7$ years before maturity to yield $7\mathrm{.}9\%$ compounded semi dash annually. If the bond interest is payable semi dash annually comma what is the purchase price of the$$ bond?

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Part $1$

The purchase price of the bond is $$$

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enter your response here.

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