Based on the following information regarding Stock Uno, Stock Dos and Stock Tres,

Economic State	Probability of State of Nature	Returns (Uno)	Returns (Dos)	Returns (Tres)
Boom	33.33%	-1.000%	24.000%	4.000%
Good	33.33%	4.000%	11.000%	4.000%
Poor	33.33%	12.000%	3.000%	4.000%

Calculate the expected return and standard deviation for the three-asset portfolio assuming the portfolio consists of the following weights:

a) 1/3 of Uno, 1/3 of Dos, and 1/3 Tres (meaning equal amounts of each stock in the portfolio).

b) 50% Uno, 40% Dos and 10% Tres

c) 0% Uno, 0% Dos, 100% Tres

2. In which portfolio would you choose to invest? Which portfolio would you consider the least desirable portfolio of the 3 portfolios? Include a few sentences explaining your responses to both.