8. Susan and Stan Britton are a married couple who file a joint income tax return, where the tax rates are based on the tax table 3.5. Assume that their taxable income this year was $344,000. Do not round intermediate calculation. What is their federal tax liability? Round your answer to the nearest dollar. What is their marginal tax rate? Round your answer to the nearest whole number. What is their average tax rate? Round your answer to two decimal places.

10. Electronics World Inc. paid out $6.6 million in total common dividends and reported $257.3 million of retained earnings at year-end. The prior year's retained earnings were $193 million. What was the net income? Assume that all dividends declared were actually paid. Write out your answer completely. For example, 25 million should be entered as 25,000,000. Round your answer to the nearest dollar, if necessary.

11. For 2021, Gourmet Kitchen Products reported $22 million of sales and $17 million of operating costs (including depreciation). The company has $14 million of total invested capital. Its after-tax cost of capital is 8% and its federal-plus-state income tax rate was 25%. What was the firm's economic value added (EVA), that is, how much value did management add to stockholders' wealth during 2021? Write out your answer completely. For example, 25 million should be entered as 25,000,000. Round your answer to the nearest dollar, if necessary.