“Corporation” includes corporations, publicly traded partnerships treated as corporations in section 7704 of the internal revenue code, limited liability companies treated as corporations under the internal revenue code, joint stock companies, associations, common law trusts and all other entities treated as corporations under section 7701 of the Internal Revenue Code, unless the context requires otherwise. A single-owner entity that is disregarded as a separate entity under section 7701 of the Internal Revenue Code is disregarded as a separate entity under this chapter, and its owner is subject to the tax on or measured by the entity’s income. “Corporation” does not include any entity that is a qualified subchapter S subsidiary under s. 71.365 (7).