$4.$ You decide to invest in one of the $4$ stocks: FIM, IFP, PMT and QTB$.$ Based on the historical prices presented in the following table, please answer parts a$)$ and b$).$You decide to invest in one of the $4$ stocks: FIM, IFP, PMT and QTB$.$ Based on the

historical prices presented in the following table calculate the return and risk $($standard deviation$)$ of each stock