An investor buys 1 share of Quinjett Ltd at the price of $40 on December 1, 2019. The firm is not expected to pay any dividends. Consider the following four possible scenarios for the share price on December 1, 2020: $55 with a probability of 10% $46 with a probability of 55% $34 with a probability of 25% $27 with a probability of 10%

a) Calculate the expected return for holding the share for a year.

b) Calculate the variance of return and standard deviation of return.

c) Explain the concept of diversification. Explain the benefit of diversification and how it works.

d) Give one example of a diversifiable risk, and one example of a systemic risk. Clearly label your examples.

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