22. Portfolio Returns and Deviations Consider the following information on three stocks

		Rate of Return if State Occurs
State of economy	Probability of State of Economy	Stock A	Stock B	Stock C
Boom	.25	.20	.35	.60
Normal	.60	.15	.12	.05
Bust	.15	.01	-.25	-.50

a. If your portfolio is invested 30 percent each in A and B and 40 percent in C, what is the portfolio expected return? The variance? The standard deviation?

b. If the expected T-bill rate is 3.80 percent, what is the expected risk premium on the portfolio?

c. If the expected inflation rate is 3.10 percent, what are the approximate and exact expected real returns on the portfolio? What are the approximate and exact expected real risk premiums

on the portfolio?

(Solve on excel step by step)