5. (20 points) Suppose an investor buys 10 shares of stock priced at S53.10 and sells the stock one year later for S56.30 afler collectin0ie per share. A. What was the investor's pre-tax holding period return? (10 points) B. If dividend income is taxed at a 30% rate and capital gains are taxed at 20%, what was the investor's after-tax holding period return? (10 points)