Please look carefully at the problem and given data and understand it. I need complete solutions and detailed answers for me to fully understand this. Have also a readable penmanship, thank you.

2. In 2015, the mean return of all common stocks on the Philippine Stock Exchange was 3.5%. The standard deviation of the returns was about 26%. A student of finance forms all possible portfolios that invested equal amounts in 5 of these stocks and return for each portfolio. This return is the average of the returns of the 5 stocks chosen. What are the mean and standard deviation of the portfolio returns? (Assume that the population is infinite in each case)