What was the holding return for RM for the year 2022? b) If the expected market risk premium on the market portfolio is 6%, estimate the expected return of the three stocks using the average beta of '21 and 22. The yield of a 10-year US government bond is 1.5%. c) Explain the difference in your findings for RM in question a) and b) d) All the three companies are in a similar sector. If you invested in these three stocks only, what would that mean for the unsystematic and systematic risk exposure of your portfolio? How could you decrease both risks?