2. Find the "applicant-best" stable assignments of applicants to colleges, base on the following preference orderings (in which capital letters represent colleges and small letters represent applicants): (4) X: i h f e C d loa k a b d Y: h b (2) g C e K f a k e d h b C f (3 Z: a g a: X b: X Y C: X Z d: Y X e: Y X f: g: