Answer:
limited liability company.
Explanation:
A limited liability company features mostly in private company's. It is a business ownership structure formed by at least one person with no maximum. This structure combines elements of a partnership and a corporation. It adopts a corporation's limited liability feature while passing through its taxation to its members, just like in a partnership.
Sally can satisfy both her objectives by setting up a limited liability company LLC. An LLC does not have an upper limit on membership, while its taxation is a single layer.