Every corporation shall be answerable for any unlawful act, contract, agreement, arrangement, understanding or combination done, made or entered into for and on its behalf by any officer, stockholder, agent or attorney permitted or suffered to manage, direct, regulate or control its business in that particular, and such unlawful act, contract, agreement, arrangement, understanding or combination shall be deemed and held to have been done, made or entered into by the corporation itself as fully as if done, made or entered into by its board of directors by regular vote duly entered upon the minutes.