Six Months Ago, You Purchased a Stock at a Price

Six months ago, you purchased a stock at a price of $31.88 a share. Today, you sold those shares for $37.51 a share. During the past six months, you have received dividends totaling $0.46 a share
While inflation has averaged 3.3%. What is your approximate real rate of return on this investment?

A) 14.4%
B) 15.8%
C) 17.3%
D) 19.2%
E) 20.1%