When an Entity Changes Its Accounting from One Generally Accepted

When an entity changes its accounting from one generally accepted method to another generally accepted method:

A) financial statements of all prior years must be restated to maintain comparability.
B) an explanatory note stating that the change was approved by the Financial Accounting Standards Board is required.
C) the dollar effect of the change on both the balance sheet and income statement must be disclosed.
D) accounting changes like this are not permitted.