Mars Corp. has a Beta of 2.0 while 30-day Treasury bills are yielding a return of 4.5%. The expected return on "The Market" is 15%.

Calculate the required return for Mars Corp.

If you created a portfolio out of this stock and Jupiter Company, which has a beta of 1.0, putting half of your money into each stock,

What is the required rate of return for the combined portfolio?

Enter your answer as a percent. That is, ten percent would be entered as "10" or as "10.000" but not as "10%" and not as "0.10".