Which of these statements is not correct?

a.
if your nominal wages rise at a rate higher than the inflation rate, you have received a “real” pay raise.

b.
if your nominal wages rise at exactly the rate of inflation, your purchasing power over time remains constant.

c.
if deflation occurs, you will receive a “real” pay raise regardless of what happens to your nominal wage.

d.
if your nominal wages rise at 4% while inflation rises at 5%, you have essentially received a “pay cut.”