Sheryl's Shipping had sales last year of $$18,000.$ The cost of goods sold was $$8,100,$ general and administrative expenses were $$2,600,$ interest expenses were $$2,100,$ and depreciation was $$2,600.$ The firm's tax rate is $21\%.$

a$.$ What are earnings before interest and taxes?

b$.$ What is net income?

c$.$ What is cash flow from operations?