I need help with these !

Taxation is one of the most important things that financial decision makers need to understand. Based on the amoun a company earns, corporations fall into different tax brackets Tax policies evolve, and tax rates change. Suppose, at a given time, corporate income tax rates in the United States were as follows: Corporate Income Tax Rates Taxable income bracket ($) 0 50,000 50,000 75,000 75,000 100,000 100,000 335,000 335,000 - 10,000,000 10,000,000 - 15,000,000 15,000,000 18,333,333 Over 18,333,333 Plus this rate on the excess over the base 15% 2591 34% 3990 34% 35% 3890 35% Base tax ($) 7,500 13,750 22,250 113,900 3,400,000 5,150,000 6,416,667 Consider that you are preparing tax documents for Company A. Refer to the corporate income tax rates given. If Company A has a taxable income of $300,000, the firm's tax liability will be: O $75,000 O $120,000 O $100,250 o $60,000 The firm's average tax rate is