Jon Snow, the King of the North, has $300,000 to invest and has the following two investment options: (1) investing or borrowing at the riskless rate of 3%, and (2) a stock portfolio that has an expected return of 9%/year and a standard deviation of 15% per year. Jon decides to borrow $150,000 at the riskless rate and then invest a total of $450,000 (the original $300,000 and the $150,000 in borrowed funds) in the stock portfolio. Calculate the expected return and standard deviation of Jon Snow's final investment portfolio