Answer:
Acquisition of the asset:
March 1, 2016
Dr. Patent €7,500
Cr. Cash €7,500
At Year end:
December 31, 2016
Dr. Patent €1,500
Cr. Revaluation reserve €1,500
December 31, 2017
Dr. Revaluation reserve €1,000
Cr. Patent €1,000
Step-by-step explanation:
*Assumption: Normally Patents do not valued under the revaluation model as they are very unique and do not have any active market. Because it given in the question I am assuming it fulfil the criteria of revaluation.
On March 1, 2016 patent will be recognized on cost. At the year end patent will be revalued and it's gains and losses are calculated. Dec 31, 2016 there is a gain of €1,500 which is transferred to revaluation reserve account. Dec 31, 2017 there is a revaluation loss which will firstly adjust any previous accumulated gain then it will be charged to Profit and loss as Revaluation loss. As there is excess gain of €1,500 and entire loss of €1,000 will be adjusted in the revaluation reserve account.