 The government subsequently made a proposal for a universal service obligation (USO) granting remote households the right to request broadband speeds of at least 10Mbit/s.This was countered by an offer made by BT for Openreach to provide the infrastructure for 99% of UK premises to receive download speeds of at least 10Mbit/s by 2020, at a total cost of between £450 million and £600 million.In March 2017 an investigation by Ofcom concluded that there were regulatory breaches at Openreach regarding the delivery of high-speed Ethernet cable services between January 2013 and December 2014.