£6.02 per unit
£10.90 per unit
£17.91 per unit
£17.25 per unit
£10.59 per unit
£10.46 per unit
£13.28 per unit
£17.30 per unit
£22.58 per unit
£11.15 per unit
£14.13 per unit
£12.32 per unit
£28.49 per unit
£16.76 per unit
£15.35 per unit
£13.88 per unit