In Switzerland, which is generally regarded as expensive:

Provia 400x 120 - 9.90 CHF [12 AUD]
Provia 400x 135-36 - 16 CHF [19 AUD]

In Italy

Provia 400x 120 - 6.90 EUR [10 AUD]
Provia 400x 135-36 - 13.20 EUR [19 AUD]