Seven months ago, you purchased a stock at a price of $36 a share. Today, you sold those shares for $44 a share. During the past seven months, you have received dividends totaling $0.25 a share while inflation has averaged 3.6%. What is your approximate real rate of return on this investment? Select one: a. 16.8% b. 12.9% c. 19.3% d. 16.5% e. 16.1%