Jamess tax under self-assessment payable directly to hmrc for 2020/21 was 16,000. His tax due directly to hmrc for 2021/22 is 22,000. He paid the following in respect of 2021/22:

25.01.22 POA1

30.08.2022 POA2

14.04.2023 Balance

What is the amount of the POAs, and when were these due?

What is the amount of the balance, and when was this due?

What else should have been paid on the same date that the balance of tax was due, and how much was due?

How much interest will be charged? (the rate of interest on unpaid tax 3%)

What penalties are due?