6. (a) Provide the costs incurred on the plant or machinery used for the purpose of the business which is entitled to be included as "qualifying expenditure" in tax law. [15 marks] (b) Tingtong bought the following assets during the year 2017 for his retail business. The Inland Revenue has sent notice to him that he is being audited for the years of assessment 2018 to 2022. A van costing RM30,000 Air conditioner costing RM3,000 Table and chairs costing RM2,000 Computer costing RM4,000 Required: Prepare the capital allowance and residual expenditure schedules for the above assets for the years of assessment 2018 to 2021. [35 marks]