The analysis of risk and the search for performance in companies is decisive for financial success. In this case, consider the share price and dividends of the companies Power Electric Industries, Riviera Power Inc. and Nature Energy Corp. for the period 2014 to 2019.

to. Consider company data to calculate annual rates of return. Determine the average return on each figure over the 5-year period. (You won't be able to calculate the rate of return for 2014, because you don't have data for 2013). (9 marks)

b. Calculate the standard deviation from the returns of Power Electric Industries, Riviera Power Inc. and Nature Energy Corp. You can use the Microsoft Excel application function (STDEV). (9 marks)

c. Calculate the coefficients of variation of the companies. (Value: 9 points)

d. Determine the Sharpe ratios of companies from average returns and a risk-free rate of 4%. (9 marks)

and. Make a scatterplot showing the returns of Power Electric Industries and Rviera Power Inc. on the vertical axis and the returns of Nature Energy Corp. on the horizontal axis. (12 points)

F. Calculate the percentage of volatility (betas) of the companies Power Electric Industries and Riviera Power Inc. by making regressions from the returns. Compare the results with those reflected in the graph from the previous question. (Value: 12 points)

g. Determines the volatility percentage (beta) and return for a portfolio comprised of 40% Power Electric Industries and 30% Riviera Power Inc. and Nature Energy Corp., respectively. (12 points)

Power, Electric Nature Riviera Power Inc. Industries Energy Corp. Year Stock price Dividends Stock price Dividends Stock price Dividends 2019 $18.5 $1.50 $38.5 $4.50 $58.5 $3.50 2018 $15.93 $1.10 $40.93 $3.10 $50.93 $2.10 2017 $10.20 $1.00 $43.20 $3.00 $53.20 $3.00 2016 $9.80 $0.90 $50.80 $2.90 $50.80 $2.90 2015 $8.50 $0 85 $48.50 $2.85 $48.50 $2.75 2014 $8.00 $0.80 $45.00 $2.80 $45.00 $2.60