£6.40 per unit
£7.31 per unit
£10.08 per unit
£11.48 per unit
£10.95 per unit
£8.34 per unit
£12.50 per unit
£7.29 per unit
£12.68 per unit
£11.12 per unit
£11.94 per unit
£21.81 per unit
£26.43 per unit
£21.57 per unit
£13.45 per unit
£14.74 per unit