a. Is Google generating positive cash flow from its operations? (Select the best choice below.) A. Google has generated positive cash flow from its operations during the years 2012, 2013, and 2014 . 'B. Google has generated positive cash flow from its operations during the years 2011, 2012, 2013 , and 2014. C. Google has generated positive cash flow from its operations during the years 2011, 2013, and 2014. D. Google has generated positive cash flow from its operations during the years 2011, 2012, and 2014. b. How much did Google invest in new capital expenditures over the period? The amount that Google invested in new capital expenditures over the period is $ million. (Round to the nearest integer.)