Inflation leads to bracket creep, which forces taxpayers to pay a larg

Inflation leads to bracket creep, which forces taxpayers to pay a larger percentage of their income in taxes, when

(a) Changes in the real purchasing power of their income do not keep pace with inflation.
(b) Changes in the real purchasing power of their income keep pace with inflation.
(c) Income tax codes change quickly as inflation emerges, impacting real purchasing power.
(d) Income tax codes increase without taxpayer knowledge, forcing them to pay higher taxes
than anticipated.

ANSWER

(a)