Exercise $12-25($Algorithmic$)($L$0.7)$

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 $$298,800.$

His additional Medicare tax is $

b$.$ George and Shirley are married and file a joint return. During the year, George earns wages of $$226,800,$ and Shirley earns wages of

$$340,200.$

Their additional Medicare tax is $

c$.$ Simon has net investment income of $$53,520$ and MAGI of $$267,600$ and files as a single taxpayer.

Simon's additional Medicare tax is $