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		.30			.36			.48			.60
Normal		.40			.15			.13			.11
Bust		.30			.06			.28			.48

a-1.	If your portfolio is invested 25 percent each in A and B and 50 percent in C, what is the portfolio expected return? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
a-2.	What is the variance? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., .32161.)
a-3.	What is the standard deviation? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
b.	If the expected T-bill rate is 3.50 percent, what is the expected risk premium on the portfolio? (Do not round intermediate calculations abd enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
c-1.	If the expected inflation rate is 3.10 percent, what are the approximate and exact expected real returns on the portfolio? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)
c-2.	What are the approximate and exact expected real risk premiums on the portfolio? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)