Yamana's Q4FY13 core costs declined to $1096 per gold-equivalent ounce. It seems the cost structure has stabilized as true all-in costs for FY2013 remain around $1250 per ounce. Yamana's core costs put it amongst the lowest core cost gold producers. http://seekingalpha.com/article/2086923-what-it-really-costs-to-mine-gold-the-yamana-gold-fourth-quarter-edition?source=email_portfolio&ifp=0