A firm$$s income statement includes the following data. The firm$$s average tax rate was

$10\%.$ Depreciation is NOT included in the cost of goods sold or administrative expenses.

Cost of goods sold $$8,000$

Income taxes paid $$2,000$

Administrative expenses $$3,000$

Interest expenses $$1,000$

Depreciation $$1,000$

a$.$ What was the firm$$s profit before tax and profit after tax?

b$.$ What must have been firm$$s revenue?

c$.$ What was EBIT?