Indicate whether the following statements are true or false.

a$.$ Investors prefer diverified companies because they are less risky.

b$.$ If stocks were perfectly poilitively conrelated, diversification would not modica tisk

c$.$ Owersification over a large number of assets completaly ellminates that.

d$.$ Diversification works enly when assels are uncorrelated.

e$.$ Diversification reduces systematic ritik.

A slock with a low standard deviation always contibutes less le portlollo that thun a stock with a higher standard devialion.