Which of the following statements BEST describes a Specified Investment Business? O A. A corporation where an individual shareholder provides services on behalf of the corporation and is referred to as an incorporated employee. OB. A corporation whose primary purpose is to earn property income and employs five or more full-time employees throughout the year. OC. A private corporation established to operate the professional practice of an accountant, dentist, lawyer, medical doctor, veterinarian or chiropractor-referred to as a professional corporation. OD. A corporation whose primary purpose is to earn property income and employs less than five full-time employees throughout the year