Perform a vertical analysis for basic, diluted, and weighted averages:

	2016	Percentage	2015	Percentage
(In millions, except per share data)
Total net sales	$ 12,547		$ 12,625
Cost of goods sold	8,071		8,074
Gross margin	4,476		4,551
Operating expenses/(income):
Selling, general and administrative (SG&A)	3,538		3,775
Pension	19		162
Depreciation and amortization	609		616
Real estate and other, net	-111		3
Restructuring and management transition	26		84
Total operating expenses	4,081		4,640
Operating income/(loss)	395		(89)
Loss on extinguishment of debt	30		10
Net interest expense	363		405
Income/(loss) before income taxes	2		(504)
Income tax expense/(benefit)	1		9
Net income/(loss)	$ 1		$ (513)
Earnings/(loss) per share:
Basic	0		(2)
Diluted			(2)
			-
Weighted average shares basic	308.1		306
Weighted average shares diluted	313		306