Answer:
b.
A subchapter S or S corporation is an IRS tax treatment option for corporations owned by a limited number of shareholders.
Step-by-step explanation:
In the U.S federal income tax, An S corporation, is an intimately held corporation and at times they could be in form of a limited liability company LLC or a partnership.
S-corporations are pass-through entities; this means that, the federal income tax do not subject the corporation to tax, rather the shareholders are taxed upon their allocated share of the income.
They make a valid election to be taxed under Subchapter S of Chapter 1 of the Internal Revenue Code