"Cash has become obsolete..,.. except for those who want to do cash in hand business with customers and avoid payingtaxes and continue to pay all relevant government taxes."
I fixed your obvious error for you Scott. The way you worded your post appeared to read as if you were falsely accusing anyone and everyone who uses Australian legal tender for transactions as all being GST/Payroll tax/Income tax avoiding criminals; but I knew you wouldn't do that.
