Assume the betas for securities$$ A$,$ B$,$ and C are as shown here.

Security Beta

A $1\mathrm{.}62$

B $0\mathrm{.}56$

C $-0\mathrm{.}24$

If you have a portfolio with $$$$20,000$ invested in each of Investment$$ A$,$ B$,$ and$$ C$,$ what is your portfolio$$ beta? Question content area bottom Part $1$ The beta of your portfolio is $............($Round to three decimal$$ places.$)$