Determine the covariance with the market portfolio, given that a company has a beta of $0\mathrm{.}9,$ a variance of $0\mathrm{.}8,$ and that the market variance is $0\mathrm{.}6$

Question $4$ options:

$0\mathrm{.}86$

$0\mathrm{.}90$

$0\mathrm{.}54$

$0\mathrm{.}60$