We know for certain that a particular asset can have the following outcomes the coming year with the given probabilities

Probability	Return
15%	-12%
10%	-2%
40%	8%
20%	10%
15%	17%

a. What is the asset's expected return? Answer in percentage form with two decimals (i.e. 23.45%. not 0.2345)

b. What is the asset's volatility? Answer in percentage form with two decimals (i.e. 23.45%, not 0.2345).