please don't show how to use in excel but rather financial calculator.

You decide to form a portfolio with the following amounts invested in the following stocks. What is the expected return of the portfolio? Stock IBM Microsoft Dell Verisign Amount Beta Expected Return $7,800 0.90 13.5% $1,200 1.10 14.5% $3,000 1.25 15.8% $3,000 1.60 18.1% 0.1642 0.1718 0.1533 0.1548 0.1496