I-Harvard Business Comment Report: Cishe amahora ayizigidi ezi-4 ngosuku e-UK asetshenziswa emhlanganweni weqembu, e-United States, isilinganiso semihlangano yamaqembu ayi-1,100 ngosuku, ngamunye okungamahora angu-3.5 ngosuku, hhayi ihora eli-1 elisemthethweni.