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Exercise 12-19 (Algorithmic) (LO. 7) Compute the additional Medicare tax for the following taxpayers. If required, round your answers to the nearest dollar. a. Mario, who is single, earns wages of $382,400. His additional Medicare tax is $ X. b. George and Shirley are married and file a joint return. During the year, George earns wages of $202,000, and Shirley earns wages of $303,000. Their additional Medicare tax is $ X. C. Simon has net investment income of $56,880 and MAGI of $284,400 and files as a single taxpayer. Simon's additional Medicare tax is $ X Feedback Check My Work The Affordable Care Act of 2010 and the Health Care Reconciliation Act of 2010 include two provisions that result in increased Medicare taxes for high-income individuals