Christina purchased 500 shares of stock at a price of $62.30 a share and sold the shares for $64.25 each. She also received $738 in dividends. If the inflation rate was 3.9 percent, what was her exact real rate of return on this investment? a.5.50 percent b.3.95 percent c.1.60 percent d.1.54 percent e.4.20 percent