Question 4- Invest more profitably: increase risk-adjusted investment returns, minimize investment losses, operate more effectively financially a) Discuss the principles of HPR and HPY. On January 1, suppose you bought 100 shares of stock in XYZ Company for $34 a share and a year later you sold it for $39 a share. During the year, you received a cash dividend of $1.50 a share. Compute your HPR and HPY and also explain the calculation steps. b) As a new analyst, you have calculated the following annual rates of return for the stocks of both Lauren Corporation and Kayleigh Industries. Because these Companies produce similar products, continue your analysis by computing their covariance. Show all calculations. Also, calculate the coefficient of correlation. Prepare a table showing your calculations and explain how to interpret the results. Would the combination of the common'stock of Lauren and Kayleigh be good for diversification