Compton and Lula are successful stockbrokers working with the Market Beat Brokerage firm. Before buying a company's stock, Compton reviews the company's reports and past data. Lula, on the other hand, buys stock based on speculation. According to the Myers-Briggs Type Indicator, the type best describes Compton, and the type best describes Lula.

The stock of grommet corporation, a u.s. company, is publicly traded, with no single shareholder owning more than 5 percent of its outstanding stock. grommet owns 95 percent of the outstanding stock of staple inc., also a u.s. company. staple owns 100 percent of the outstanding stock of clip corporation, a canadian company. grommet and clip each own 50 percent of the outstanding stock of fastener inc., a u.s. company. grommet and staple each own 50 percent of the outstanding stock of binder corporation, a u.s. company. which of these corporations form an affiliated group eligible to file a consolidated tax return?