You have researched the following returns and other characteristics for this company:

$$ Australian Treasury bills currently pay a return of $1\mathrm{.}5\%$ p$.$a$.$

$$ Australian stock market return over the same period has averaged $7\%$ p$.$a$.$

$$ Australian stock market standard deviation of returns is $8\mathrm{.}5\%$ p$.$a$.$

$$ This company$$s beta is estimated at $0\mathrm{.}85.$

$$ Historical returns and dividends $($below$).$

Year Price Dividend

$2019$ $$1\mathrm{.}40$

$2020.$ $$1\mathrm{.}54$ $$0\mathrm{.}00$

$2021$ $$1\mathrm{.}41$ $$0\mathrm{.}05$

$2022$ $$1\mathrm{.}59$ $$0\mathrm{.}00$

$2023$ $$1\mathrm{.}63$ $$0\mathrm{.}07$

Using the a bove information, identify with full mathematical workings, whether it is a good idea, for your client, to invest in this company. Explain your reasoning for your decision.