£6.80 per unit
£10.34 per unit
£29.15 per unit
£20.36 per unit
£7.58 per unit
£9.65 per unit
£1.81 per unit
£2.08 per unit
£14.48 per unit
£17.69 per unit
£16.61 per unit
£6.71 per unit
£9.90 per unit
£16.38 per unit
£8.09 per unit
£8.09 per unit