how was the operating free cash flow as a percentage of sales calculated ? can you please write out the formula used to get 14.67%. I am confused.

Millions of US Dollars 2009* Sales 39,319.80 Cost of Goods Sold 18,497.50 Gross Profit 20,822.31 Research & Development Expenses 5,722.00 Marketing, General and Administrative Expenses 6,008.04 Other Expenses (Recoveries), Net 0.00 EBIT 9,092.27 Interest Expenses (Income), net 8.00 Earnings Before Taxes 9,084.27 Taxes (Tax credit) 3,179.49 Discontinued Operations 0.00 Net Income 5,904.78 2008 2007 2006 37,586.00 38,334.00 35,382.00 16,742.00 18,430.00 17,164.00 20,844.00 19,904.00 18,218.00 5,722.00 5,755.00 5,873.00 5,458.00 5,401.00 6,096.00 1,970.00 -433.00 -843.00 7,694.00 9,181.00 7,092.00 8.00 15.00 24.00 7,686.00 9,166.00 7,068.00 2,394.00 2,190.00 2,024.00 0.00 0.00 0.00 5,292.00 6,976.00 5,044.00 Imputed Variables for Intel Net Working Capital Change in Net Working Capital Capital Expenditure 4 Net PP& Ef Effective tax Rate Assumed Statutory Tax Rate Operating Free Cash Flow Operating Free Cash Flow as a Percent of Sales Historic Growth in Operating Free Cash Flows 20/9* (12.193.89 140.89 0.00 35.00% 35% 5,769.09 14.67% 2008 2007 2006 2005 12,053.00 15,314.00 9,766.00 11.960.00 -3,261.00 5,548.00 -2,194.00 626.00 -684.00 491.00 31.15% 23.89% 28.64% 35% 35% 35% 7,636.10 1,103.65 6,312.80 20.32% 2.88% 17.84% 9.98% Millions of US Dollars 2009* Sales 39,319.80 Cost of Goods Sold 18,497.50 Gross Profit 20,822.31 Research & Development Expenses 5,722.00 Marketing, General and Administrative Expenses 6,008.04 Other Expenses (Recoveries), Net 0.00 EBIT 9,092.27 Interest Expenses (Income), net 8.00 Earnings Before Taxes 9,084.27 Taxes (Tax credit) 3,179.49 Discontinued Operations 0.00 Net Income 5,904.78 2008 2007 2006 37,586.00 38,334.00 35,382.00 16,742.00 18,430.00 17,164.00 20,844.00 19,904.00 18,218.00 5,722.00 5,755.00 5,873.00 5,458.00 5,401.00 6,096.00 1,970.00 -433.00 -843.00 7,694.00 9,181.00 7,092.00 8.00 15.00 24.00 7,686.00 9,166.00 7,068.00 2,394.00 2,190.00 2,024.00 0.00 0.00 0.00 5,292.00 6,976.00 5,044.00 Imputed Variables for Intel Net Working Capital Change in Net Working Capital Capital Expenditure 4 Net PP& Ef Effective tax Rate Assumed Statutory Tax Rate Operating Free Cash Flow Operating Free Cash Flow as a Percent of Sales Historic Growth in Operating Free Cash Flows 20/9* (12.193.89 140.89 0.00 35.00% 35% 5,769.09 14.67% 2008 2007 2006 2005 12,053.00 15,314.00 9,766.00 11.960.00 -3,261.00 5,548.00 -2,194.00 626.00 -684.00 491.00 31.15% 23.89% 28.64% 35% 35% 35% 7,636.10 1,103.65 6,312.80 20.32% 2.88% 17.84% 9.98%