Ablack market is a. very similar to a "gray" market except that the goods and services exchanged are imported. b. a market in which buying and selling take place at prices consistent with government price regulations. c. a market in which all transactions involve activities (such illicit drugs, prostitution, etc.) many in the population find morally offensive. d. a market in which buying and selling take place at prices that violate government price regulations.

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?