Which of the Following Is Not an Example of Inflation

Which of the following is not an example of inflation causing a redistribution of income because the inflation was unanticipated?

A) A bank collects a lower amount of interest from a loan because inflation was under -predicted.
B) Firms have to hire an extra worker to change prices in its store because of inflation.
C) A worker receives a raise in salary that is less than the rate of inflation, because management under -predicted inflation.
D) A bond -holder pays a higher tax and has less after -tax real income because of inflation.