The returns on shares G and M vary depending on the state of economic growth as follows. Probability if economic state State of economy Returns on Gif economic state occurs (%) Returns on Mif economic state occurs (9) occurring Boom 0.25 10 24 Growth 0.50 12 10 Recession 0.25 -20 -12 Required: Determine the portfolio expected return and standard deviation if 55% of funds are devoted to share M and 45% devoted to share G O Expected return-5.55% and Standard deviation-12.75% Expected return-6.69% and Standard deviation-10.75% Expected return-5.69% and Standard deviation-12.75% O Expected return-5.69% and Standard deviation-10.76% Expected return-5.98% and Standard deviation-12.76%