A stock's returns have the following distribution:

Demand for the Company's Products	Probability of This Demand Occurring	Rate of Return If This Demand Occurs
Weak	0.2	(50%)
Below average	0.2	(13)
Average	0.3	10
Above average	0.1	36
Strong	0.2	66
	1.0

1. Calculate the stock's expected return. Round your answer to two decimal places. %

2. Calculate the stock's standard deviation. Do not round intermediate calculations. Round your answer to two decimal places. %

3. Calculate the stock's coefficient of variation. Round your answer to two decimal places.