Sinn Féin has consistently and repeatedly called on the Government to tackle the extortionate rents that are crippling workers, families and students. We told the Government the way to do this was by cutting rents through a refundable tax credit equivalent to one month's rent and, crucially, by banning rent increases for three years. We were very clear. Both measures must go together in order to give hard-pressed renters the relief they so desperately need. The tax credit for one month's rent would put a meaningful…