need help with this. the answer is neither A nor B if not wrong

A Ltd sold an item of plant to its subsidiary, B Ltd, on 1 January 2017 for $25 000. The asset had cost A Ltd $30 000 and had an useful life of 6 years when acquired on 1 January 2015 from an external party. The adjustment necessary on consolidation in relation to the transfer of plant as at 30 June 2017 will result in: a. an increase in current year profit. b. a decrease in current year profit. c. an increase in current year profit and non-current assets. d. a decrease in current year profit and non-current assets