The monthly average return and standard deviation of Microsoft (MSFT) stock are 3.4% and 4.7%, respectively.
The monthly average return and standard deviation of NVIDIA (NVDA) are 5.3% and 12.3%, respectively.
The correlation between MSFT and NVDA is 0.5.
Currently, the monthly risk-free rate is 0.1%.
What is the Sharpe ratio for the optimal risky portfolio P* including MSFT and NVDA?