£10.07 per unit
£17.70 per unit
£24.11 per unit
£12.69 per unit
£9.23 per unit
£6.48 per unit
£11.40 per unit
£18.77 per unit
£22.19 per unit
£10.80 per unit
£17.06 per unit
£26.46 per unit
£7.05 per unit
£11.96 per unit
£9.63 per unit
£15.94 per unit