4. One year ago, you purchased a stock at a price of S32 a share. Today, you sold the stock and realized a total return of 14.62 percent. Your capital gain was S3.48 a share. What was your dividend yield on this stock? 5. You want your portfolio beta to be 0.90. Currently, your portfolio consists of $4,000 invested in stock A with a beta of 1.47 and $3,000 in stock B with a beta of 0.54. You have another $9,000 to invest and want to divide it between an asset with a beta of 1.74 and a risk-free asset. How much should you invest in the risk-free asset