Barrington Enterprise earned $4.2 million in taxable income (earnings before taxes) during its most recent year of operations. Use the corporate tax rates shown in the pop up window , to calculate the firms tax liability for the year. What are the firms average and marginal tax rates?

the firms tax liability for the year is $1428000. (Round to be nearest dollar)

the firm average tax rate is ___% (round to two decimal places)