On 1 July 2015 a plant is acquired at a cost of $6 million. The asset is to be depreciated using the straight-line method on the basis of an estimated useful life of 15 years and a negligible residual value. On 30 June 2018 it is determined that the asset has a value in use of $4 million and a fair value of $3.6 million before costs of disposal of $50 000. The remaining useful life of the asset is reassessed to be 8 years. The appropriate impairment loss journal entry on 30 June 2018 would be: O a. Dr Impairment Loss 800 000 800 000 CR Accum. deprec. & impairment losses Ob. Dr Impairment Loss 1 200 000 1200 000 CR Accum. deprec. & impairment losses C. Dr Impairment Loss 400 000 400 000 CR Accum. deprec. & impairment losses O d. there is no impairment loss