(Corporate income tax) Boisjoly Productions had taxable income of $19.1 million. a. Calculate Boisjoly's federal income taxes using the tax table shown in the popup window: b. Now calculate Boisjoly's average and marginal tax rates. a. The firm's tax liability for the year is $ (Round to the nearest dollar.) b. The firm's average tax rate is %. (Round to two decimal places.) The firm's marginal tax rate is %. (Round to the nearest integer.)