You are given the following probability distribution of returns of two stocks A and B. If you form a portfolio by investing $750,000 in stock A and $1,250,000 in Stock B, calculate the expected return of your portfolio.

State of Economy	Probability of State	Return of Stock A	Return of Stock B
Recession	0.10	55%	-20%
Slow Down	0.20	40%	10%
Normal Economy	0.45	10%	15%
Boom	0.25	-20%	40%