1. A company has current liabilities of $15,200. The firm has total assets of $45,100 and net fixed assets of $25,700. The owners' equity has a book value of $20,400. What is the amount of the net working capital?

2. A company has sales of $92,500. The cost of goods sold is $52,200 and the other costs are $20,700. Depreciation is $9,300 and the tax rate is 34 percent. What is the net income?

3. A supply company has sales of $429,000 and costs of $300,500. The depreciation expense is $48,800. Interest paid equals $20,200 and dividends paid equal $6,500. The tax rate is 35 percent. What is the addition to retained earnings?