Can someone help me with this?

3. Investment (net operating assets) is $100m. Current assets are $20m. Current liabilities are $15m. Asset turnover is 0.8. Operating leverage is 2.5. Profit margin is 20%. a) Compute return on investment (ROI). b) Compute profit. 4. Profit before taxes is $25,000. The tax rate is 20%. Weighted average cost of capital (WACC) is 6%. Invested capital is $100,000. Current liabilities are $10,000. Compute the economic value-added (EVA). 1