The maximum amount of SE tax a taxpayer can pay in 2012 is:
a. Incorrect. $106,800 was the maximum amount of earnings subject to Social Security tax in 2011.
b. Incorrect. $110,100 is the maximum amount of earnings subject to Social Security tax in 2012.
c. Incorrect. $11,450.40 is the maximum amount of Social Security tax a self-employed taxpayer paid in 2012.
d. Correct. Because Medicare tax is not subject to an earnings limit, the maximum amount of SE tax (which includes both Social Security and Medicare tax) for which a self-employed taxpayer may be liable is theoretically unlimited.