During a 3-months period, the price index increases from 140.50 to 141.30. During the same period, a stock increases in price from $50 to $51.90.

What is the real rate of return on the stock for the 3-month period?

Express your answer as a percentage; for example, 3.18% should be entered as 3.18 without the percentage sign.

2.81

2.92

3.21

4.75