The table below shows the expected rates of return for three stocks and their weights in some portfolio:

		Stock A	Stock B	Stock C
	Portfolio weights	0.3	0.2	0.5
State	Probability		Expected returns
Recession	0.2	0	0.02	-0.05
Normal	0.5	0.03	0.06	0.02
Boom	0.3	0.08	0.08	0.1

Part 1

What is the expected portfolio return?

Part 2

What is the standard deviation of the portfolio returns?