Suppose an investor buys 10 shares of stock priced at $55.10 and sells the stock one year later for $56.30 after collecting a $0.30 dividend per share. If dividend income is taxed at a 27% rate and capital gains are taxed at 22%, what was the investors after-tax holding period return in%? a. 1.2 b. 2.1 c. 3.3 d 4.2 e. 5.7 f. 6.4 g. 7 h. 8 i