A primary advantage associated with holding a diversified portfolio of financial assets is the reduction of risk. The relevant risk a particular stock would contribute to a well-diversified portfolio is the stock is:
a) nondiversifiable, aka market risk, aka systematic risk, as measured by the stock's standard deviation
b) diversifiable, aka unique risk, aka unsystematic risk, as measured by the stock's beta
c) total risk, as measured by the stock's beta
d) diversifiable, aka unique risk, , aka unsystematic risk as measured by the stock's standard deviation
e) nondiversifiable, aka market risk, aka systematic risk, as measured by the stock's beta