1.) A corporation has a taxable income of $7,506,658. At this income level, the federal income rate is 55%, the state tax rate is 17%, and the local tax rate is 13%. If each tax rate is applied to the the total taxable income, the resulting tax liability for the corporation would be (55 + 17 + 13)%. Luckily for the corporation, the taxes paid are deducted as described above. What is the tax liability (as a percentage of taxable income) if the customary deductions are taken into consideration? Round to the nearest TENTH

2.) A corporation has a taxable income of $1,996,086. At this income level, the federal income rate is 52%, the state tax rate is 20%, and the local tax rate is 11%. If each tax rate is applied to the the total taxable income, the company would have to pay $1,996,086 * 0.52 in federal taxes. Luckily for the corporation, the taxes paid are deducted as described above. How much is paid in federal taxes if the customary deductions are taken into consideration? Round to the nearest DOLLAR

3.) A corporation has a taxable income of $2,239,129. At this income level, the federal income rate is 50%, the state tax rate is 19%, and the local tax rate is 11%. If each tax rate is applied to the the total taxable income, the company would have to pay $2,239,129 * 0.11 in local taxes. Luckily for the corporation, the taxes paid are deducted as described above. How much is paid in local taxes if the customary deductions are taken into consideration? Round to the nearest DOLLAR

How would I know if I actually got the correct answer using the correct formula.