Advanced Taxation Chapter Sales service tax. Asap please

B. Farwan Services Sdn Bhd (FSB), an architect firm, is a service tax registrant. FSB closes its accounts annually on 31 December. Details relating to the invoicing of a customer, Mira Sdn Bhd (MSB), are as follows: Fees for design services: Date of invoice issued: Date full payment received: RM10,000 22 January 2021 5 March 2021 REQUIRED: (a) Calculate the service tax amount under the Service Tax Act 2020 for the above FSB charges to MSB. (2 Marks) (b) Calculate the debt due to Royal Malaysian Custom Department if FSB paid the service tax due in '(a)' above on 11 June 2021