(LO3) Which of the following statements is correct with regard to changes in accounting methods for federal income tax purposes?

a. A taxpayer can never change a method of accounting except when changing from an incorrect to a correct method.

b. A taxpayer does not need the permission of the Internal Revenue Service to change accounting methods.

c. Any adjustment to income required due to a voluntary change in accounting method is spread over five years beginning with the year of change.

d. If the change is initiated by an Internal Revenue Service examination and it increases income, \(100 %\) of the change must be included in income for the year of the change.