Michael McGrath (Cork South Central, Fianna Fail) | Oireachtas source

That is a glaring anomaly which should be addressed. It is a possible mechanism by which the market can be regularised and by which the role of the multiples can be put under the microscope.

I know it can be difficult to prove whether or not alcohol is being sold below cost and the point has, correctly, been made that multiples have such a wide range of products they can afford to have loss leaders to get customers in the door and increase their footfall. Is there clear evidence that alcohol is being sold below cost?