A. In 2010, for the first time since 2004 the maximum taxable income was not raised. Find the maximum a person could pay into Social Security for 2010. b. In 2011, the percent deducted for Social Security was lowered to 4.2% to help stimulate the economy. How much did a taxpayer earning more than the maximum taxable income save in 2011 due to the lower rate?

c. Let t(x) represent the total combined Social Security and Medicare taxes for the year 2007. If x represents the income, express this total as a piecewise function.

d. Mr. Jackson had two jobs in 2005. The first job, in which he earned $74,007, was from January to August, and the second job, in which he earned $35,311, was from August to the end of the year. The employer for the second job took out Social Security taxes on all of Mr. Jackson’s income. As a result, he paid too much Social Security tax. How much should he be refunded?