Beech corp., an accrual-basis, calendar-year s corporation, has been an s corporation since its inception. at the beginning of the current year, gold owned 50% of the 100 issued shares of beech stock, and had a $3,000 tax basis in the beech stock. during the current year, beech had $200,000 in net business income and $4,000 in oak county municipal bond interest income. beech made no distributions to its shareholders. what was gold’s tax basis in beech stock at year end?

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?