Selected data from Kellogg Company's 2011 annual report follows (dollar amounts in millions).
% of change 2011 2010 2009
sales $13,198.00 $12,397.00 $12,575.00
gross profit% 41.28 41.66 42.87
operating profit 1,976.00 1,990.00 2,001.00
Net cash flow less capital expenditures 1,001.00 534.00 1,266.00
Net earnings 1,231 1,247 1,212.00
(a) Compute the percentage change in sales, operating profit, net cash flow less capital expenditures, and net earnings from year to year for the years presented. (Round answers to 2 decimal places, e.g. 52.75%. If an amount reduces the account balance then enter with negative sign.)
percentage change in 2011 and 2010
* sales
*gross profit %
* Operating profit
* Net cash flow less capital expenditures
* Net earnings