Exercise 1225 (Algorithmic) (LO. 3'] Compute the additional Medicare tax for the following taxpayers. If required, round your answers to the nearest dollar. a. Mario-J who is single, earns wages of 5380200. His additional Medicare taxis 5:. b. George and Shirley are married and file a joint return. During the year. George earns wages of 5198.000r and Shirley earns wages of $293350. Their additional Medicare tax is $ 2,225.25 . 1:. Simon has net investment income of $51,000 and MAGI of $255,000 and files as a single taxpayer. Simon's additional Medicare tax is 35