ATHENS (Reuters) - Greece concluded the early repayment of expensive loans from the International Monetary Fund, the country's finance ministry said on Monday.The move allows Athens to reduce its debt-servicing costs, because IMF loans carry higher interest than Greece would now pay in the market."The part of the loans that was repayed is 2.7 billion euros," the ministry said in a press release. In October, the euro zone's rescue fund, the European Stability Mechanism, agreed to allow Greece to..