plz help with all parts

EXAMPLE 4: Tyrion, a single taxpayer, has $50.000 of total income and $45,000 of taxable income. Using the following tax brackets, what is the taxpayer's tax liability? What is his statutory marginal tax rate on the next dollar of taxable income? What is his average tax rate? What is his effective tax rate? 2020 TAY RATE SCHEDULES Single If taxable income is But not inore more than ... The tax is ... $0 39.875 10% of taxable income $9.875 $40,125 $987.5 plus 12% of excess over $9.875 $40,125 $85.525 $4,617.5 plus 22% of excess over $40,125 $85,525 $163,300 $14,605.5 plus 24% of excess over $85,525 $163,300 $207,350 $33,271.5 plus 32% of excess over $163,300 $207,350 $518,400 $47,367.5 plus 35% of excess over $207,350 $518.400 No Limit $156,235. plus 37% of excess over $518,400 What is the taxpayer's total tax liability? 4617.57.22(45-600-80125) 5690 What is the average fax rate? 5690 45000 212.6 What is the taxpayer's effective tax rate? 5690 - 11.38 50000 What is the statutory marginal tax rate on an additional $1 of taxable income? 45001 - 45000 6