In an attempt to keep the calculator as simple as possible, we’ve included the details of the most common benefits and deductions that apply to your area.

You can also find out what the GST threshold for your local area is and how much the GST will be.

You’ll need to pay the GST on a per-item basis if you have a mobile phone and a landline telephone.

You can also calculate your GST benefit based on your business size, your monthly income and how many children you have.

If you have more than one mobile phone, you can calculate your benefit by dividing the total number of customers you have by the total phone number.

You’ll also need to know the amount of tax you will be paying in respect of your GST payment, which will vary depending on the rate of tax that applies to the area.

The GSC provides a simplified calculator for residents in all parts of the Greater Sydney Region.

To find out more, go to the GSC calculator