Bonnie Ray owns all of the shares of Grey Inc. Bonnie also owns 55% of the shares of Blue Inc., and the remaining shares are owned by Sid Way (25%) and Sam Day (20%). Bonnie, Sid, and Sam are all unrelated. All of the shares held in both corporations are common shares. The corporations are

a. associated due to control by the same person or group of persons.

b. associated due to control by unrelated groups.

c. associated due to control by one person and a group of persons.

d. not associated.