Please can you answer in 40 minutes asap

Consider following information:

	Probability of the state of economy	Rate of return if state occurs
		Stock 1	Stock 2
Recession	0.2	-3 %	1 %
Boom	0.8	8 %	14 %

1)Calculate the expected return of Stock 1. Express your answer as %.

2)Calculate the expected return of Stock 2. Express your answer as %.

3)What is the expected return of a portfolio invested 40% in Stock 1 and 60% in Stock 2? Express your answer as %.

4)What is the standard deviation of a return on a portfolio invested 40% in Stock 1 and 60% in Stock 2? Express your answer as %.