The public accounts committee, found costs for businesses had risen and trade had fallen as a result of leaving the eu. the report also warned there could be further disruption to cross—border trade this year, when new import controls come in. the mps say more must be done to improve border arrangements for businesses. they say that brexit has led to increased costs for exporters, more paperwork for businesses, and more border delays. the british government says it is continuing to offer help to uk businesses to trade effectively. here's our global trade correspondent, chris morris. the focu...