Internet and catalogue home shopping company N. Brown posted weaker than expected sales figures and said trading since the general election has been subdued.In the 18 weeks ended 3 July, total group revenue increased by 1.1% with sales 0.1% ahead on a like for like basis. In the 8 weeks to 24 April, N. Brown reported a 4.1% like for like sales increase.Panmure Gordon was forecasting like for like sales growth of around 4.0% year on year."Trading since the general election has been subdued as customers assess the likely impact on their personal situation of the coalition government's new policies," the group said.