Taxable Income and Total Tax Liability are in thousands.

Ranges of Adjusted Gross Income
Item	Under $15,000			$15,000 to under $30,000			$30,000 to under $50,000			$50,000 to under $100,000			$100,000 to under $200,000			$200,000 or more
Number of returns		36,868,111			30,591,169			25,344,865			31,214,450			15,669,954			5,259,835
Taxable income	$	25,071,854		$	215,157,181		$	532,917,061		$	1,487,794,538		$	1,573,704,933		$	2,521,984,594
Total income tax liability	$	2,162,407		$	18,673,619		$	54,670,156		$	192,715,858		$	266,232,620		$	657,115,159
Average tax rate		8.62	%		8.68	%		10.26	%		12.95	%		16.92	%		26.06	%

a.

If the federal tax system was changed to a proportional tax rate structure with a tax rate of 17%, calculate the amount of tax liability for 2012 for all taxpayers. (Consider intermediate computations in thousands of dollars, rounded to the nearest whole number. Enter your final answer in dollars and not in thousands of dollars.) I got 1080627127, but I know it's not right. I got another similar answer once. Please help me, and to format it correctly.