You hold the positions in the table below. 21:00 Amazon.COM Family Dollar Stores McKesson Corp. Schering-Plough Corp. Price $40.80 30.10 57.40 23.80 Shares 100 150 75 200 Beta 3.8 1,2 0.4 0.5 ok What is the beta of your portfolio? (Do not round intermediate calculations and round your final answer to 2 decimal places.) Portfolio beta 1.42% 1 at ) inces If you expect the market to earn 12 percent and the risk-free rate is 3.5 percent, what is the required return of the portfolio? (Do not round Intermediate calculations and round your final answer to 2 decimal places.) Required return %