Andrea is an employee of Fern Corporation and single. She also has her own business working as a life coach. For 2022, Andrea's wages from Fern were $210,000. Her self-employment income was $30,000. If required, round any computations to two decimal places. Round final answers to the nearest dollar. a. Compute the total payroll, self-employment, and additional Medicare taxes for Andrea for 2022. Feedback Cheok My Work b. Assume the same facts except that Andrea's 2022 self-employment activities resulted in a loss of $15,000. Compute the total payroll, self-employment, and additional Medicare taxes for Andrea for 2022. Feedbyek Check My Work c. Compute Andrea's NIIT for 2022 using wages of $210,000, self-employment income of $30,000 and NII of $20,000, There are no expenses allocable to any investment income