Perth Industries is studying an asset. The probability distribution of returns for this asset is shown in the following table,

1 0.20 10.00% 2 0.05 0.00% 3 0.45 -5.00% 4 0.25 -15.00% 5 0.05 -30.00%

a. Calculate the expected value of return, r , for the asset.

b. Calculate the standard deviation, , for the asset's returns.

c. Calculate the coefficient of variation, CV, for the asset's returns.