£5.64 per unit
£7.57 per unit
£8.83 per unit
£9.22 per unit
£13.29 per unit
£13.46 per unit
£24.08 per unit
£11.26 per unit
£14.04 per unit
£15.52 per unit
£21.04 per unit
£10.63 per unit
£11.15 per unit
£4.89 per unit
£8.68 per unit
£5.95 per unit