£6.40 per unit
£11.50 per unit
£7.31 per unit
£10.08 per unit
£11.50 per unit
£18.80 per unit
£37.25 per unit
£9.84 per unit
£13.71 per unit
£5.76 per unit
£8.70 per unit
£9.44 per unit
£1.55 per unit
£2.67 per unit
£28.18 per unit
£39.12 per unit