Find the FCF:

Revenue: 9857

COGS: 7608

Gross Profit: 2249

R&D Expenses: 579

SG&A Expenses: 1315

Other Operating Income or Expenses: -33

Operating Expenses: 1927

Operating Income: 322

Total Non-Operating Income: -15

Pre-Tax Income: 307

Income Taxes: 89

Income After Taxes: 218

Income from Continuous Operations: 201

Net Income: 201

EBITDA: 524

EBIT: 322

Basic Shares Outstanding: 9020

Shares Outstanding: 9180

Basic EPS: .02

Earnings Per Share: .02

My professor said the answer is -1884 based on amazon stock quarterly results from 3/31/2011. I'd like to know the process in getting the answer.