Richard has two investment opportunities. He can invest in The Sunglasses Company or The Umbrella Company. If he diversifies his investment by putting 50% of his money into each company, what is the expected return and standard deviation of his portfolio?

State of the Economy	Probability of the State	Expected Return Sunglasses Company	Expected Return Umbrella Company
Sunny	.50	13%	23%
Rainy	.50	24%	14%