Compute the 2019 Federal income tax liability and the marginal and effec-tive tax rates in each of the following independent cases. Use the Tax Rate Schedules in Appendix A for this purpose

a. Chandler is single and reports taxable income of $94,800

b. Lazare, a head of household, records taxable income of $57,050

For A I got the following

Tax Liability: 16714.50

Marginal Rate: 22%

Average Rate: 17.63%

For B I got

Tax Liability: $6989

Marginal Rate: 22%

Average Rate: 12.25%

Can you tell me if I did this right?

of the amount over- $ 0 2019 Tax Rate Schedules Single-Schedule X Head of householdSchedule Z If taxable of the If taxable income is: But not amount income is: But not Over- over- The tax is: over Over- over- The tax is: $ 0 $ 9,700 ......... 10% $ 0 $ 0 $ 13,850 ......... 10% 9,700 39,475 $ 970.00 + 12% 9,700 13,850 52,850 $ 1,385.00 + 12% 39,475 84,200 4,543.00 + 22% 39,475 52,850 84,200 6,065.00 + 22% 84,200 160,725 14,382.50 +24% 84,200 84,200 160,700 12,962.00 + 24% 160,725 204,100 32,748.50 + 32% 160,725 160,700 204,100 31,322.00 + 32% 204,100 510,300 46,628.50 + 35% 204,100 204,100 510,300 45,210.00 + 35% 510,300 153,798.50 + 37% 510,300 510,300 152,380.00 + 37% Married filing jointly or Qualifying widow(er) - Married filing separatelySchedule Y-2 Schedule Y-1 If taxable of the If taxable income is: But not amount income is: But not Over- over- The tax is: over Over- over- The tax is: $ 0 $ 19,400 ......... 10% $ 0 $ 0 $ 9,700 ......... 10% 19,400 78,950 $ 1,940.00 + 12% 19,400 9,700 39,475 $ 970.00 + 12% 78,950 168,400 9,086.00 + 22% 78,950 39,475 84,200 4,543.00 + 22% 168,400 321,450 28,765.00 + 24% 168,400 84,200 160,725 14,382.50 + 24% 321,450 408,200 65,497.00 + 32% 321,450 160,725 204,100 32,748.50 + 32% 408,200 612,350 93,257.00 + 35% 408,200 204,100 306,175 46,628.50 + 35% 612,350 ......... 164,709.50 + 37% 612,350 306,175 82,354.75 + 37% 13,850 52,850 84,200 160,700 204,100 510,300 of the amount over- $ 0 9,700 39,475 84,200 160,725 204,100 306,175