can you do number 6 for me as 5 tutors could not answer me on my question

VAT Output R2 460 VAT Input R1 490 The following information is additional and is not necessarily included in the source documents, but should be taken into consideration and corrected, where appropriate, in the general journal: 1. The bookkeeper made a mistake during February 2020. A duplicate credit invoice (inventory was sold to Marvel Traders) was entered into the books as R780, instead of R870. ? 2. The VAT column of the petty cash journal was not posted to the relevant VAT - account in the general ledger at the end of February 2020. The total was R53. 3. On 2 March 2020 a deposit of R3 990 was received as a refund from a supplier for goods that were sent back in February 2020. No entry was made for this transaction. 4. On 2 March 2020 an amount of R15 000 was paid to Interprop. This amount included R6 000 as a deposit for renting the premises. Computer Wizz rented additional offices as from 1 March 2020. The rest of the amount is for the rent expense for March 2020. 5. On 4 March 2020 an amount of R7 250.64 was paid to City of Tshwane. 25% of this account is for the owner's personal account. 6. On 31 March 2020 the owner paid the office rent for April 2020 from his personal account, R9 000. This was because business banking was offline