Has the percent change in yournbsprealnbspafter-tax income

Question

During the same 10-year period, your after-tax income rose from $30,000 to $45,000. The composite CPI at the beginning of the period was 96 and at the end of the10-year period is 114. 

1. Has the percent change in your real after-tax income from the beginning to the end of the10-year period matched the change in after-tax nominal income?
2. Has the change in your real income kept up with the inflation rate?