Which of the following statements is true?

(a) The effect of a change in accounting estimate is recognised retrospectively.

(b) To the extent practicable, an entity must correct a prior period error prospectively in

the first financial statements authorised for issue after its discovery.

(c) When an entity discovers an error in its financial statements of a prior period, it must

immediately withdraw those financial statements and reissue them with the error

corrected.

(d) To the extent practicable, an entity must correct a prior period error retrospectively in

the first financial statements authorised for issue after its discovery