Adel has a $2-$stock portfollo with a total value of $$91,000.$$$32,500$ is invested in Stock A with a beta of $0\mathrm{.}95$ and the remainder is invested in Stock B with a beta of $1\mathrm{.}23.$ What is his poriolio's theta?

$1,17$

$123$

$1\mathrm{.}33$

$1\mathrm{.}42$