also, USE AUSTRALIAN CURRENCY PLEASE
customer: *hands over $4.50, one of the coings ($1) is from NZ*
me: oh, sorry sir, this coin is from NZ *hands coin back*
customer:*stares blankly, starts to take beer*
me: sorry sir, you still owe me $1
customer: but i gave you that dollar
me: i'm sorry sir, i need Australian currency
customer: you've got to be kidding me!
me: sir, that dollar is not legal tender, so you havent yet paid for your goods
customer: but it's a $1 coin still, New Zealand is a state of Australia
me: *about to bitch slap the dude*
other customer: oh here, have a stupid dollar *hands it to customer*