French grain office ONIC has received offers to sell 117,000 tonnes of wheat into intervention stores in the past week, ONIC figures showed on Monday. Grain offers now totalled of 427,100 tonnes, comprising 307,200 tonnes of wheat, 98,800 tonnes of barley and 21,100 tonnes of maize, ONIC said. The European Union's intervention stores open between November 1 and the end of May and, so long as quality standards are met, farmers can sell their grain for a guaranteed price of 101.31 euros a tonne, plus a 0.46 euro monthly bonus.