Which of the following is NOT true regarding risk and return?
a) Unsystematic risk of a portfolio can be diversifed away by increasing the number of assets in the portfolio
b) Unsystematic risk of an asset is related to firm-specific events
c) An asset's total risk (stand-alone risk) is measured as standard deviation of its returns.
d) investors must be compensated for bearing the total risk of an asset
e) systematic risk is related to industry and/or general market conditions