Your high school classmate is offering you an investment opportunity which requires you to make monthly payments of $$481$ each $(1$st payment is $1$ month from today$),$ over the next $15$ years. It offers a nominal annual return of $8\%$ with semi$-$annual compounding. What is the future value of this investment at the end of its life $($including all your payments and all interest$)?($Round your answer to three decimal places. For example $1\mathrm{.}23450$ or $1\mathrm{.}23463$ will be rounded to $1\mathrm{.}235$ while $1\mathrm{.}23448$ will be rounded to $1\mathrm{.}234).$