We recommend that you consider using the Budget planner provided by ASIC Money Smart (and submit a PDF copy to us). This can be found here
https://www.moneysmart.gov.au/tools-and-resources/calculators-and-apps/budget-planner
Alternatively, please complete and provide:-
https://www.michaeleberand.net/wp-content/uploads/2019/10/Living-expense-template-update-191019.xlsx
https://www.michaeleberand.net/wp-content/uploads/2019/10/Living-expense-template-update-191019.pdf