Ann: Announces Release Date for Q1 2018 Results & Conference Call, page-7

Yes currency tailwinds have definitely been a benefit for capex. From memory in the feasibility study they also had a decent exposure to the Euro (rising Euro would be a negative).

I'm not sure how much the operating costs change based on a lower Lira. I visited Turkey a couple of years ago and the Euro was fairly prevalent as a secondary currency and the Lira has depreciated significantly since then. I'd imagine a lot of the operations staff/contractors would want to have Euro linked contracts.