please give me answer in properly and acurately in a format. this queation belong the subject of security and risk portfolio

(5) Portfolio manager wants to optimize the riskiness of the two assets portfolio with the given statistics below:- Assets A B Return Volatility Weight 17.00% 15.00% 40.00% 21.00% 25.00% 60.00% Correlation -0.70 -0.35 0.25 0.50 0.70 Requirements Calculate the two assets portfolio standard deviation at different correlation levels which are mentioned above and suggest at which correlation is best suits to your portfolio