Calculate the Macaulay duration $D(0\mathrm{.}06,)$ and the modified duration $D(0\mathrm{.}06,2)$ of a preferred stock that pays dividends forever of $$30$ each six months, with the next dividend in exactly six months. $($Round your answers to three decimal places.$)$

$D(0\mathrm{.}06,)=$

$D(0\mathrm{.}06,2)=$

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