I mean your mate can just Google it...
Also flyhire.com.au for private aircraft hire though it's not comprehensive.
Sydney - private rates
Central Coast Aero Club YWVA
C150 - $235
Super 150 - $270
172N - $305
Flight Academy Bankstown YSBK
C150 - $245
C152 - $255
C182 - $385
Plenty more, just two OTOH. Most places don't quote dry but they could ask and get it quoted up...