Question: How to calculate the total debt for Section J?

Answer: "Adding the opening and closing balances of the total debt of the company for the income year, and dividing this sum by two." - Its as per the ATO guidelines / formula. Below link for reference. - 

https://www.ato.gov.au/Forms/Company-tax-return-instructions-2020/?page=13#:~:text=J%20%E2%80%93%20Total%20debt,-Write%20at%20J&text=Calculate%20the%20average%20total%20debt,dividing%20this%20sum%20by%20two

https://www.ato.gov.au/Forms/Company-tax-return-instructions-2018/?page=13#JTotaldebt

Note

- J Total Debt  is the average of the debts over 2years, it is auto calculated.

- User cannot manually adjust this section-Item J if you have imported the financials.