f the economy is normal, a firm$$s stock is expected to return $9\mathrm{.}1$ percent. If the economy falls into a recession, the stock's return is projected at a negative $4\mathrm{.}3$ percent. The probability of a normal economy is $75$ percent. What is the variance of the returns on this stock?

Multiple Choice

$\mathrm{.}001263$

$\mathrm{.}006673$

$\mathrm{.}004489$

$\mathrm{.}003367$

$\mathrm{.}020493$