5. Below is actual price and dividend data for three companies for each of seven months. HE C A Dividend Price Dividend Price 57 3/4 Dividend Price Time 106 3/4 333 108 1/4 368 59 7/8 0,40 124 368 1/2 1.35 0.725 3 59 3/8 122 1/4 382 1/4 55 1/2 4 135 1/2 386 56 1/4 0.42 141 3/4 1.35 397 3/4 0.725 59 6 165 3/4 392 60 1/4 7 Compute the rate of return for each company for each month b.Compute the average rate of return for each company Compute the standard deviation of the rate of return for each company d. Compute the correlation coefficient between all possible pairs of securities Compute the average return and standard deviation for the following portfolios a. A+ B a. C. e. b. A+ C c. B+ C d. 1/3 A+ 1/3 B + 1/3 C