Assume that you manage a risky portfolio with an expected rate of return of $17\%$ and a standard deviation of $27\%.$ The T$-$bill rate is $7\%.$

A client prefers to invest in your portfolio a proportion $($y$)$ that maximizes the expected return on the overall portfolio subject to the constraint that the overall portfolio's standard deviation will not exceed $20\%.$

Required:

a$.$ What is the investment proportion, $y?($Round your answer to $2$ decimal places.$)$

$\backslash$table$[[$Investment proportion $y,\%$