You create a two$-$stock portfolio based on the information below. Dotery and Flamz have a correlation of $0\mathrm{.}8.$

Stock Return Std$.$ Dev. Shares Price

Dotery $16\%20\%400$ $ $12\mathrm{.}40$

Flamz $3\%8\%350$ $ $18\mathrm{.}00$

What is the standard deviation of the return on your portfolio?