Suppose Autodesk stock has a beta of $2\mathrm{.}51,$ whereas Costco stock has a beta of $0\mathrm{.}63.$ If the$$ risk$-$free interest rate is $3\mathrm{.}49\%$ and the expected return of the market portfolio is $13\mathrm{.}22\%,$ what is the expected return of a portfolio that consists of $55\%$ Autodesk stock and $45\%$ Costco $$stock$,$ according to the$$ CAPM?

$1.$ The beta of the portfolio is $\_\_\_($Round to two decimal$$ places.$)$

$2.$ The expected return of the portfolio is $\_\_\_\%.($Round to two decimal$$ places.$)$