KARACHI: The greenback ended flat versus rupee due to dull interest from corporate sector in interbank market while commercial banks kept hold on dollar’s inflows and outflows. The dollar closed at Rs 104.40 for buying and Rs 104.60 for selling. It remained flat against the rupee. The dollar traded at a low of Rs 104.38. The dollar rate differential between kerb and interbank markets remained Re 1 on average. Traders said demand for dollar by the corporate sector was dull and small payments for import bills kept the dollar from surge. Commercial banks helped the rupee to stand steadfast versus dollar. The euro remained up in the interbank market to close at Rs 115.55 for buying and Rs 115.80 for selling after 60 paisas change. The pound sterling remained firm at Rs 138 and Rs 138.27 for buying and selling respectively. Ot gained 70 paisas. Kerb Market: The dollar remained up in value in the open market following dull demand from corporate and private sector in interbank, foreign exchange dealers said. The dollar closed at Rs 105.65 for buying and Rs 105.83 for selling in the open market against rupee. It gained 05 paisas. The demand and supply of dollar in the open market was normal while local currency got some strength from dollar’s dull demand in interbank.