Please provide formulas and show all steps.

Suppose you invest one-half of your money in the riskfree asset. The remainder is invested in Portfolio X, which is split equally between Corporal Motors and Divided Airlines. The riskfree rate is 9% and the correlation between Corporal Motors and Divided Airlines is 0.4. Corporal Motors Divided Airlines Expected Return 15 % 24% Variance 0.0484 0.0324 Beta 0.6 1.5 A. What are the expected return and standard deviation of your total portfolio? B. What is the market's expected return