Can someone please tell me the answer as well as what IAS standard this problem is dealing with

13. FL Inc. had its head office on 30 June 20xs, a building nearby, which it was renting to Unfortunate Limited, was destroyed. As Unfortunate Limited was a valued customer, FL decided to lease 80% of the head office to them as a 'replacement' .The head office was purchased on the 1 January 20X5 for $600 000 (total useful life: 10 years) On the 30 June 20X5, the fair value of the head office was C800 000. There was no change in fair value at 31 December 20X5 FL uses: the fair value model to measure its Investment Property: and the cost model to measure its property, plant and equipment. located in De Rust, South Africa. During a freak' landslide Required: Provide the journal entries in the books of FL for the year ended 31 December 20X5