Pls, provide formulas and full step-by-step workings for your answers for each question, Also, pls number each answer for easy identification. Thanks;

		Java, Inc..
		Four Year Selected Financial Data
		Year Ended January 31, 2013-2010
Operating Results		2013	2012	2011	2010
Net Sales		13,848	13,673	11,635	9,054
Cost of Goods Sold		9,704	8,599	6,775	5,318
Interest Expense		109	75	45	46
Income from Operations		338	1,455	1,817	1,333
Income Tax Expense		100	263	338	247
Net Income (net loss)		-8	877	1,127	824
Cash Dividends		76	75	76	77
Financial Position
Merchandise Inventory		1,677	1,904	1,462	1,056
Total Assets		7,591	7,012	5,189	3,963
Current Ratio		1.48:1	0.95:1	1.25:1	1.20:1
Stockholders equity		3,010	2,928	2,640	1,574
Average number of shares of Common Stock
outstanding (000)		860	879	895	576
Using the financial data presented above, compute the following ratios and evaluate Java's results of 2011-2013
		2013	2012	2011
1. Rate of return on net sales
2. Earnings per share
3. Inventory Turnover
3. Times-Interest Earned Ratio
4. Rate of Return on Common Stockholders' equity
5. Gross profit percentage
Show all calculations.