A portfolio analyst has been asked to allocate investment funds among three different stocks. The relevant data for the stocks is shown in the following

table. If the goal is to maximize return while maintaining risk within acceptable bounds $($in this case, a portfolio standard deviation of no more than $20\%),$

find the proper allocation of the funds to each stock.

What proportion of the portfolio should be allocated to stock $B?$

Multiple Choice

$0\mathrm{.}000$

$0\mathrm{.}081$

$0\mathrm{.}039$

$0\mathrm{.}021$

$0\mathrm{.}059$