The inheritance changes the family's overall portfolio and the family is deciding whether to keep the newhy acquired stock. If the family keens the stmek the axpected return of the new portfolio, which includes the Willams stock will be original portfolio will be \%. The covariance of Williams' stock returns with the The standard deviation of the new portfolio which includes Willams stock will be \%. If the Nolan family sells the Williams stock, the adviser suggested investing the proceeds in government recurities yielding 5% annually. Assuming the family agrees to this suggestion. the exnected return of the w portfolio which includes the government securities will be %. covariance of the government security returns with the original portfolio returns will be and the standard deviation of the new portfolio will be