Which of the following statements regarding book/tax differences is false?

Select one:

a. A permanent book/tax difference affects only the year in which it occurs.

b. A temporary book/tax difference affects two or more tax years.

c. Temporary book/tax differences arising in the current tax year in will reverse in the future in one or more tax years.

d. The tax cost or benefit of a permanent book/tax difference is recouped over time.