1. Income from self-employment. Marta runs a number of coffee shops in London. You are her tax accountant. You are provided with the following information for the year to 31 March 2021. Operating profit as per accounts 854,000 After charging Depreciation Charitable donation Repairs to coffee machines Cost of entertaining suppliers Fine for contravening health and safety rules Rent of an exclusive apartment for Xavier, the MD Supply of mobile phones to senior staff 60,000 100 3,500 3,500 50,000 48,000 12,200 The written down value of plant and machinery on 1 April 2020 was 350,000. On 1 September 2020, the business sold several items of plant for 20,000, which had originally cost 18,000. There were no additions. Required: Compute Marta's tax adjusted trading profits for the year ended 31 March 2021, fully explaining your decisions, any other tax implications and showing clearly any calculations. Total: 15 marks