The five dollar burger joint gift card that your friend gave you for your birthday expires today. you can either use the gift card to buy yourself dinner at burger joint or you can stay home and eat a delicious home-cooked meal. what is the opportunity cost of eating the home-cooked meal

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?