This is a test of commonsense. Complete the next sentence:

How to use eftpos
Obtain an eftpos card from your bank if you don't have one already.
Make sure your eftpos card has a pin, and there is money on the account which it is linked to.
Go buy something.
State you're paying by eftpos. At the cash-out, when the cashier asks how you wish to pay, say eftpos.