Please help with this practice problem I am having difficulty with. I will leave a review and thumbs up, thank you in advance!

Portfolio Theory Suppose stocks and bonds have the following properties: 0 Assets Stocks Bonds E[7] 9% 20% 4.5% 5% 12 The correlation between the two asset classes is Pec The T-bill rate is 3%. What are the expected return, standard deviation, and Sharpe ratio of a typical institutional portfolio split 60/40 between stocks and bonds