Katie Jones Started Her Career with an Annual Salary of $30,000

Multiple Choice

Katie Jones started her career with an annual salary of $30,000 in 2006. Five years later, in 2011, her salary had increased to $55,000 a year. If the values of the CPI (with a base of 1982−1984) for 2006 and 2011 are 201.6 and 224.9, respectively, compute the increase in Katie's real income.

A) 64.34%
B) 83.33%
C) 105.31%
D) 164.34%