Lexa, a single taxpayer, worked as an employee during the first half of the year, earning $65,000 of salary. Lexas employer withheld $4,030 of Social Security tax, $943 of Medicare tax, and $0 of additional Medicare tax. In the second half of the year, she was self-employed and she reported $180,000 of self-employment income on her Schedule C. What amount of self-employment taxes and additional Medicare tax is Lexa required to pay on her self-employment income? (Round intermediate calculations and final answer to the nearest dollar.)