A stock’s contribution to the market risk of a well-diversified portfolio is called risk. It can be measured by a metric called the beta coefficient, which calculates the degree to which a stock moves with the movements in the market.
a. relevant
b. unsystematic

a. relevant

Explanation:

Systematic Risk & Beta  systematic and unsystematic risk. When a portfolio is diversified the unsystematic risk eliminates and systematic risk remains. The systematic risk can be measured by beta of the investment or portfolio. This is also called relevant risk and it is measured by the beta coefficient. So the correct answer is a. relevant.

in terms of experimental research, mcdonald’s charging different prices in the two cities relates to

i'ts proportional. if the inflation rate is 12% for example, the cpi will be 12% less.

hope it ,

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