eBook Print item 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, cams wages of $393,400 His additional Medicare tax is $ b. George and Shirley are mamed and file a joint retum. During the year, George earns wages of $245,400, and Shirley earns wages of $368,100. Their additional Medicare taxi c. Simon has net investment income of $58,840 and MAGI of $294,200 and files as a single taxpayer Simon's additional Medicare taxis