Mike holds the following portfolio:

Stock Investment beta

A $$3,000,1\mathrm{.}20$

B $,5,000,0\mathrm{.}80$

$C,2,000,0\mathrm{.}6$

What is the portfolio's beta?

$1\mathrm{.}16$

$0\mathrm{.}88$

$0\mathrm{.}98$

$1\mathrm{.}32$