An item of plant was purchased for ₦300,000 on January 1, 2017. Its expected useful life was estimated to be ten years with nil residual value. The asset was depreciated on a straight-line basis. However, a review on December 31, 2018, showed that, due to technological changes, the useful life of the plant is only five years in total. The plant has a remaining useful life of three years. The adjustment under IAS 8 is:

A. Change in accounting estimate
B. Change in accounting policy
C. Correction of error
D. Retrospective adjustment
E. Reclassification of non-current asset