amortization expenses

1. Barbell Corporation's income statement reports that the company's “bottom line” was $180,000 in 2008. The statement also shows that the company had depreciation and amortization expenses equal to $50,000 and taxes equal to $120,000. What was Barbell's net cash flow?
2. Last year Z&B Paints reported its net income as $650,000. A review of its income statement shows that Z&B's operating expenses (fixed and variable), excluding depredation and amortization, were $1,500,000; its depreciation and amortization expense was $300,000; and its tax rate was 35 percent. Z&B has no debt—that is, the firm is financed with stock only.
a. What were Z&B's sales revenues last year?
b. What was Z&B's net cash flow last year?
c. What was Z&B's operating cash flow last year?