Suppose that McDonald's successfully implements self-serve kiosks in their restaurants, which allows the company to reduce the number of employees at each location. All else equal, this technological improvement would(A) shift the supply curve for its products to the right.(B) shift the supply curve for its products to the left.(C) shift the demand curve for its products to the right.(D) shift the demand curve for its products to the left.

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?