On 6 April 2020, Ricard commenced in self-employment, running a restaurant. Richards sales since the commencement of trading have been as follows: April to July 2020 10,500 per month August to November 2020 15,000 per month December 2019 to March 2021 21,500 per moths These figures are stated exclusive of Value added tax (VAT). Ricards sales are all standard rated. As a trainee Chartered Certified accountant you have advised Richard in writing that he should be registered for VAT, but he has refused to register because he thinks his net profit is insufficient to cover the additional cost which would be incurred. Required a. Explain from what date Richard was required to be compulsorily registered for VAT and VAT implications of continuing to trade after this date without registering. Note. You are not expected to explain the VAT penalties arising from late VAT registration (5 marks) b. Briefly explain from an ethical viewpoint the issues you, as a trainee Chartered Certified accountant, should consider in order for your firm to deal with Richards refusal to register for VAT. (2 marks) c. State and discuss the circumstances in which a trader can issue a simplified (or less detailed) VAT invoice, when such an invoice should be issued, and FIVE pieces of information which such an invoice must show where the supply is entirely standard rated.