a Assume you have a portfolio of $100,000 with the following investments and their betas: Carnival = $25,000, beta of 2.15 Apple = $10,000, beta of 1.25 Nike = $15,000, beta of.85 Walmart = $50,000, beta of .65 A. Calculate your portfolio beta. B. If the expected return on the market is 10 percent and the risk-free rate is 2.50 percent, calculate the required return of your portfolio. Edit View Insert Format Tools Table 12pt V Paragraph BI U ATev 20