Comet operates solely within the United States. It owns two subsidiaries conducting business in the United States and several foreign countries. Both subsidiaries are U.S. corporations. This year, the three corporations report the following:

	Foreign Source Income	U.S. Source Income	Foreign Income Tax Paid
Comet	0	$ 780,000	0
Sub 1	$ 3,840,000	235,000	$ 388,000
Sub 2	4,400,000	592,500	1,270,000

Required:

1. If Comet and its two subsidiaries file a consolidated U.S. tax return, compute consolidated income tax.
2. What is the aggregate tax of the group if the three corporations file separate U.S. tax returns?