The expected return on the market portfolio is 12%, and the relevant risk-free rate is 4.2%. What is the equity premium?

7.8%

Explanation:

The expected return on the market portfolio is 12 percent

The risk free rate is 4.2 percent

Therefore the equity premium can be calculated as follow

= expected return - risk free rate

= 12% - 4.2%

= 7.8%

Hence the equity premium is 7.8%

its kinda hard to answer this when we dont have all the information that we need.

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;