Joomla customisation

Job ID: 30751625

Budget: $30 – $250 SGD

-Create a total amount and a total amount including GST (Goods and Services Tax) for both "Claim to Client" & "Claim to Main Con" tabs in the backend only.
-Add a new field named "reference number". (It can be on a new line between type and address on PowerPoint Slide 5) for each new item (project). I just need max 20 chars.
-Add a new text area named "Bank Account Details" under the setttings page. (Slide 7)
-Make sure all the above fields can be printed out.
Related categories: PHP Joomla