please answer question 52 only. Thanks in advance

52. A husband and wife who camed Box 5 Medicare wages of $175,000 and $125,000, respectively. Determine the amount of withholding for the Additional Medicare Tax and the amount of tax that they would owe on their final Form 1040. 53. A single taxpayer has $150,000 in wages and $180 000 in net self-employment income. What is the amount of Additional Medicare Tax that would be due on Form 1040 for the year? 54. What is the amount of the net investment income tax for a single individual that has $250,000 of modified adjusted gross income and $25.000 of net investment income