3. (Analyzing the cash flow statement) The cash flow statements for retailing giant BigBox Inc spanning the period 2010 2013 are found here:

In Millions of U. S. Dollars	12 Months Ending
	12/31/2013	12/31/2012	12/31/2011	12/31/2010
Net Income	$13,090	$12,060	$11,030	$10,060
Depreciation Expense	6,450	6,260	5,020	4,030
Changes in Working Capital	1,240	2,340	2,420	980
Cash from Operating Activities	$20,780	$20,660	$18,470	$15,070
Capital Expenditures	$(16,050)	$(14,510)	$(13,990)	$(12,270)
Cash from Investing Activities	$(16,050)	$(14,510)	$(13,990)	$(12,270)
Interest and Financing Cash Flow Items	$(360)	$(270)	$(330)	$80
Total Cash Dividends Paid	(3,590)	(2,830)	(2,550)	(2,170)
Issuance (Retirement) of Stock	(8,050)	(1,500)	(3,550)	(4,520)
Issuance (Retirement) of Debt	1,550	(110)	4,020	4,100
Cash From Financing Activities	$(10,450)	$(4,710)	$(2,410)	$(2,510)
Net Change in Cash	$(5,720)	$1,440	$2,070	$290

Answer the following questions using the information found in these statements:

A. Did BigBox generate positive cash flow from its operations?

a. BigBox has generated positive cash flow from its operations during the years 2010, 2011, 2012, and 2013

b. BigBox has generated positive cash flow from its operations during the years 2010, 2012, and 2013

c. BigBox has generated positive cash flow from its operations during the years 2011, 2012, and 2013

d. BigBox has generated positive cash flow from its operations during the years 2010, 2011, , and 2013