A firm had sales of $550,000 in 2009. The cost of goods sold was $350,000, general and administrative expenses were $50,000, interest expenses were $20,000, and depreciation was $58,000. Please, use following table to calculate taxes

Taxable Income ($)	Tax Rate (%)
0-50,000	15
50,001-75,000	25
75,001-100,000	34
Over 100,000	35

1. What is earning before interest and taxes?

2. What are the marginal and average tax rates for the firm?

3. What is net income?

4. What is cash flow from operation?