Problem 6-18 The Nanny Tax (LO 6.7) Ann hires a nanny to watch her two children while she works at a local hospital. She pays the 19-year-old nanny $180 per week for 42 weeks during the current year. Do not round immediate computations and round your final answers to two decimal places. a. What is the employer's portion of Social Security and Medicare tax for the nanny that Ann should pay when she files her Form 1040 for 2020? $ b. What is the nanny's portion of the Social Security and Medicare tax? $ Problem 6-19 (Algorithmic) Special Rules for High-Income Taxpayers (LO 6.8) Rachel is single and has wages of $153,050 and dividend income of $91,830. She has no investment expenses. Calculate the amount of the 3.8 percent net investment income tax she must pay. Round your answer to the nearest whole dollar