Why you all complaining they're greedy.. of course they will go for as much as they can because they don't know how long this method will work.

even after the first round TnG should already noticed the balance sheet don't make sense.. every ringgit should be easily accounted for in an electronic system, that's one of its advantages.

after all i don't think it's that hard to catch the people...see which card got no reload but got purchase, identify user through toll gate camera according to timestamp...settle...