If any person conceals upon his person or among his belongings, unpurchased merchandise
displayed, held, stored or offered for sale in a retail mercantile establishment;
and removes that merchandise beyond the last known station for receiving payments
for that merchandise in that retail mercantile establishment; such person shall be
presumed to have possessed, carried away or transferred such merchandise with the
intention of retaining it or with the intention of depriving the merchant permanently
of the possession, use or benefit of such merchandise without paying the full retail
value of such merchandise.