Lotte Sdn Bhd has incurred RM800,000 researching chemical compounds in the year ended 30 September 2018. It has also spent RM480,000 developing a new product. The product's development was completed on 28 February but management has decided to delay commercial production until July 2019. The product is expected to have a useful life of five years. The development project meets the MFRS 138, Intangible Assets capitalisation criteria.

Required: Explain how should these costs be amortised in the year ended 30 September 2018. [4 marks]