A Co. commenced the research stage of a project for a new patent on 1 April 2019. The toal research cost was $200,000.A Co. commenced the development stage on 1 June 2019. Expenditure of $300,000 per month was incurred until the project was completed on 31 October 2019.The directors became confident of the project's success on 1 September 2019.The patent has an estimated life span of 10 years.(3) what amount is charged to p/l for the year ended 31 March 2020('000)