In order to cut costs, what were most of the extras of Mad Max (1979) paid with?

One of the ways in which the production team of Mad Max (1979) cut costs on the film was by using beer as a form of payment for most of the extras. This unconventional method allowed them to save money on the film's budget and allocate resources more efficiently. By providing beer as a form of payment, the production team was able to attract locals and car enthusiasts to participate in the film without the need for monetary compensation. This creative approach to managing costs demonstrates the resourcefulness and innovation of the filmmakers behind Mad Max.