2016	2017	2018
Net sales	$ 135,987	$ 177,866	$ 232,887
Operating expenses
Cost of sales	88,265	111,934	139,156
Fulfillment	17,619	25,249	34,027
Marketing	7,233	10,069	13,814
Technology and content	16,085	22,620	28,837
General and administrative	2,432	3,674	4,336
Other	167	214	296
Total operating expenses	131,801	173,760	220,466
Operating Income	$ 4,186	$ 4,106	$ 12,421

s

based on this information construct a contribution format income statement

CONSOLIDATED STATEMENTS OF CASH FLOWS in millions) Year Ended December 31 CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, BEGINNING OF PERIOD OPERATING ACTIVITIES: Net income Adjustments to reconcile net income to net cash from operating activities: 16,175 S 9934 S Depreciation of property and equipment and other amortization, including capitalined content costs 8,116 2,975 5418 Other operating expense, net Other expense (income), net Deferred income taxes 4,615) Accounts receivable, net and other (4,780) Accounts payable 1,724 1,955 17,203 Unearned revenue 1,151 30,723 Net cash provided by (used in) operating activities INVESTING ACTIVITIES: Purchases of property and equipment Proceeds from property and equipment incentives Acquisitions, net of cash acquired, and other (7,804) 13,427 (116) 13.972 (2.186 (7,240) 7.100 Net cash provided by (used in) investing activities 27,084) Proceeds from long-term debt and other Repayments of long-tenm debt and other Principal repayments of capital lease obligations 1,301) (4,799) Net cash provided by (used in) financing activities 3,716) 7,686) 351) 10,317 Foreign curency effiect on cash, cash equivalents, and restricted cash Net increase (decrease) in cash, cash equivalents, and restricted cash CASH, CASH EQUIVALENTS, AND RESTRICTED CASH, END OF PERIOD SUPPLEMENTAL CASH FLOW INFORMATION: Cash paid for interest on long-tem debt Cash paid for interest on capital and finance lease obligations Cash paid for income taxes, net of refunds Property and equipment acquired under capital lases Property and equipment acquired under build-to-suit leases 713 ,759 9,934 S 1,856 S 328 S 10,615