Mike Flannery holds the following portfolio:

Stock

Investment

Beta

A

$$150,000$

$1\mathrm{.}40$

B

$$12,500$

$0\mathrm{.}80$

C

$$137,500$

$1\mathrm{.}00$

D

$$75,000$

$1\mathrm{.}20$

Total

$$375,000$

What is the portfolio's beta? Do not round your intermediate calculations.

Group of answer choices

$1\mathrm{.}23$

$0\mathrm{.}91$