WTC Final Qualification Scenarios- who can qualify?

WTC Qualification Scenario:

We are heading into the final few series before the big World Test Championship Final which will be held at Lord’s.

Now that Australia-South Africa series has been postponed due to the pandemic situation, New Zealand have qualified for the final where they will face either India, England, Australia.

Australian team will be relying on the result of India and England series which will begin in a few days at Chennai.

So, here are the scenarios-

India-
India can qualify if they defeat England by at least 2-0.

2-0, 2-1, 3-0, 3-1, 4-0 can take them to the final.

England-
England needs at least three wins in the series to qualify.

3-0, 3-1, 4-0 can take them to the final.

Australia-
1) If the series ends in a draw
2) If India win by 1-0
3) If England win by 1-0, 2-0, 2-1