Check their last quarterly activities Report. http://news.iguana2.com/macquaries/ASX/MOY/844485
Check pages 4 and 5. They explain the reasons behind higher cash costs (cutback Bartons) and also provide a detailed guidance. For example the december quarter:
26,642 ounces at AISC 1,280
At a Gold Price of 1,650AUD (note: currently 1,672AUD with hedge book 1,662AUD) we look at a Profit of 9,857,540AUD.
MOY Price at posting:
17.0¢ Sentiment: Buy Disclosure: Held