Need help with Ratio need nto understand the math for this

huffmanhistincstmt.xls

IncomeStmt

Huffman Trucking Income Statement (Unaudited) (In Thousands)
	2011	2010	2009	2008	2007	2006	2005	2004	2003	2002
Revenue	$1,109,295	$969,240	$842,817	$1,021,348	$932,653	$879,944	$807,288	$685,432	$603,852	$555,778
Operating Expenses
Salaries, Wages & Benefits	$406,191	$367,993	$328,624	$387,391	$374,291	$353,739	$330,597	$293,212	$266,556	$251,468
Fuel Expense	$318,737	$258,904	$206,052	$349,952	$256,488	$217,363	$192,357	$139,389	$111,067	$104,780
Operating Supplies and Expenses	$117,670	$105,875	$144,387	$146,414	$136,468	$152,318	$136,319	$121,442	$107,471	$95,956
Purchased Transportation	$138,140	$114,250	$95,209	$103,901	$94,455	$89,957	$82,529	$75,026	$64,400	$54,392
Operating Taxes & Licenses	$19,033	$17,753	$17,665	$18,993	$19,088	$18,613	$17,989	$16,170	$14,700	$14,272
Insurance & Claims	$11,995	$12,493	$11,676	$13,918	$14,202	$13,526	$13,006	$11,587	$10,534	$9,405
Provision for Depreciation	$3,009	$2,773	$2,618	$2,899	$2,803	$2,726	$2,738	$2,663	$2,590	$2,598
Total Operating Expenses	$1,014,775	$880,041	$806,231	$1,023,468	$897,795	$848,242	$775,535	$659,489	$577,318	$532,871
Operating Income from Continuing Operations	$94,520	$89,199	$36,586	($2,120)	$34,858	$31,702	$31,753	$25,943	$26,534	$22,907
Interest Expense	$466	$768	$1,044	$1,018	$988	$790	$901	$1,036	$1,147	$1,111
Tax Expense	$34,887	$32,923	$13,504	($782)	$12,866	$11,701	$12,050	$10,917	$10,879	$9,163
Net Income	$59,167	$55,508	$22,038	($2,356)	$21,004	$19,211	$18,802	$13,990	$14,508	$12,633
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