The risk$-$free rate is $6\%$ and the market risk premium is $5\%.$ Your $$1$ million portfolio consists of $$700,000$ invested in a stock that has a beta of $1\mathrm{.}2$ and $$300,000$ invested in a stock that has a beta of $0\mathrm{.}8.$ Which of the following statements is correct?

a$.$

The portfolio$$s required return is $11\mathrm{.}4\%.$

b$.$

The portfolio$$s required return is $10\%.$

c$.$

The portfolio$$s beta is less than $1$

d$.$

The portfolio$$s beta is $=(1\mathrm{.}2+0\mathrm{.}8)/2$