Apart from the AISC, upper limit of range being AUD$1950, and...

Apart from the AISC, upper limit of range being AUD$1950, and the unknown of the All in Costs, remember NST where gold sold totalled 404koz at an AISC of A$1,746/oz (US$1,147/oz) and AIC of A$2,243/oz. That is a 28.5% increase in the costs.
Heaven help RED if their All in Costs were in fact $2506. AISC +28.5%.

A look at their website poses another problem:

Now hiring open pit and underground mining professionals

Open Pit:

• Mine Surveyor
• Senior Engineer
• Production Engineer
• Survey Technicians
• Project Geologist
• Mine Geologist
• Resource Geologist
• Logging Geologist - Grade Control

Underground:

• Mine Surveyor
• Senior Engineer
• Production Engineer
• Drill and Blast Engineer
• Resource Geologist
• Mine Geologist
• Logging Geologist

Apply on Seek

With so many positions vacant who have they got running the joint. Talk about cost pressures