You manage the MSB portfolio of $$30$ million. The portfolio has a beta of $1\mathrm{.}2$ and a required return of $12$ percent. MSB receives an $$6$ million additional to invest in the portfolio. You invest this new money in a stock with a beta of $1\mathrm{.}4.$ The risk$-$free rate is $5$ percent. What is the required return on the total portfolio after the addition of new funds?