The dioxal oil company is in the process of cleaning up a minor oil spill. the firm could do the work with one cleanup team or two teams. one team would cost $25 per month for 5 months. the two-team alternative would cost $40 per month for three months. if two teams are used, the firm can restart refining sooner and collect $10 in earnings in months 4 and 5. should dioxal oil use on or two teams to clean up the spill? base your decision on the irr.

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?