(Corporate income tax) G. R. Edwin Inc. had sales of $5.85 million during the past year. The cost of goods sold amounted to $2.6 milison, Operating expenses totaled $2.59 mition, and interest expense was $25,000. Use the corporate tax rates shown in the popup window, , to determine the firm's tax tability. What are the firm's average and marginal tax rates? The firm's tax liabilty for the year is $ (Round to the nearest doll The firm's average tax rate is %. (Round to two decimal places.) The firm's marginal tax rate is % (Round to the nearest integer.)