2. a b Suma Lele Ltd has discovered that the estimated useful life of a material depreciable asset was incorrect due to a change in the way the asset was being used. The correct accounting treatment of this event is to: disclose the change in the notes to the financial statements. treat it as an error and adjust retrospectively treat it as a change in an accounting estimate and adjust prospectively. treat it as a change in an accounting estimate and adjust retrospectively. d