You own $$20,405$ of Human Genome stock that has a beta of $3\mathrm{.}74.$ You also own $$10,780$ of Frozen Food Express $($beta $=1\mathrm{.}97)$ and $$7,315$ of Molecular Devices beta $=0\mathrm{.}48).$

What is the beta of your portfolio? $($Round your answer to $2$ decimal places.$)$

Portfolio beta