Assume the betas for securities A, B, and Care as shown here. (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Security Beta A 1.56 0.65 -0.18 If you have a portfolio with $30,000 invested in each of Investment A, B, and C, what is your portfolio beta? Using the portfolio beta and assuming a risk-free rate of 3%, what would you expect the return of your portfolio to be if the market eamed 20.2% next year? Declined 18.7%? B The beta of your portfolio is 670. (Round to three decimal places.)