You invest $$100,000$ in a complete portfolio. The complete portfolio is composed of a risky asset with an expected rate of return of $12\%$ and a standard deviation of $28\%$ and a treasury bill with a rate of return of $2\mathrm{.}25\%.$ How much money should be invested in the risky asset to form a portfolio with an expected return of $9\mathrm{.}50\%?$ Enter your answer rounded to two decimal places. Do not enter $ or comma in the answer box. For example, if your answer is $$12,300\mathrm{.}456$ then enter as $12300\mathrm{.}46$ in the answer box.