Answer:
Current period and prospectively
Step-by-step explanation:
A change in accounting estimate is a term that describes a modification or change in carrying amount of an asset or liability, or similar financial expense, which occurs from re-analyzing the estimated future benefits and obligations that is attached with that asset or liability.
However, to carry out Changes in accounting estimates, the process has to be recognized prospectively by including it in profit or loss in the following ways:
1. the period of the change, if the change has effects on the period only, or
2. the period of the change and future periods, if the change affects both periods.
Hence, the proper time period, to record the effect of a change in accounting estimates is Current Period and Prospectively.