Wilson Miller has his first full time job and is considering how to invest his savings. His dad suggested he invest no more than $25\%$ of his savings in the stock of his employer $($EMR$)$ so he is considering investing the remaining $75\%$ in a combination of risk$-$free investments in the US Treasury Bills, currently paying $4\%$ and Starbucks $($SBUX$)$ common stock. Wilson father has invested in the stock market for many years and suggested that Wilson might expect to earn $9\%$ in the Emerson shares and $12\%$ from the Starbucks shares. Wilson decides to put $25\%$ in the Emerson shares, $25\%$ in the Starbucks shares and the remaining $50\%$ in Treasury Bills. Given Wilson Portfolio Allocation, what rate of return should he expect to receive on his investment?

The expected rate of return for Wilson$$s portfolio, can be calculated as a weighted average of these expected rates of return, where the weights are the proportions of each investments.

Question $1$a$.$

Calculate the expected rate of return for Wilson Portfolio, in a tabular format display this information and calculate the portfolio return

Question $1$b$.$

Calculate the expected return for Wilson$$s portfolio, where he places a quarter of his money in Treasury Bills, half in Starbucks and the remainder in EMR