Today is March $31,2022,$ and you have just started your new job with a financial planning firm. In

addition to studying for all your license exams, you have been asked to review a portion of a client$$s

stock portfolio to determine the risk$/$return profiles of $12$ stocks in the portfolio. Unfortunately,

your small firm cannot afford the expensive databases that would provide all this information with a

few simple keystrokes, but that$$s why they hired you. Specifically, you have been asked to determine

the monthly average returns and standard deviations for the $12$ stocks for the past five years.