7-7 Illustrations of Poriffolio Returns, Risk, and the Attainable Set of Porifolios 4. In fig 7-7 under column c "Attainable Set of Risk/Return Combinations" where is the point of: i) least risk for any combination Case: Point: ii) highest return for any combination Case(s): Point: iii) highest return with the least risk for any combination? Case: Point: iv) so why doesn't everyone invest per iii)? ("rational expectations") 7-7 Illustrations of Poriffolio Returns, Risk, and the Attainable Set of Porifolios 4. In fig 7-7 under column c "Attainable Set of Risk/Return Combinations" where is the point of: i) least risk for any combination Case: Point: ii) highest return for any combination Case(s): Point: iii) highest return with the least risk for any combination? Case: Point: iv) so why doesn't everyone invest per iii)? ("rational expectations")