You hold the positions in the table below. Amazon.com Family Dollar Stores McKesson Corp Schering-Plough Corp Assumed Price $ 50.00 34.00 77.00 30.00 Shares 155 151 142 369 Assumed Beta 4.02 2.00 0.83 1.03 What is the beta of your portfolio? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Portfolio beta If you expect the market to earn 13.60 percent and the risk-free rate is 3.00 percent, what is the required return of the portfolio? (Do not round intermediate calculations. Round your final answer to 2 decimal places.) Required return %