£11.39 per unit
£13.07 per unit
£18.91 per unit
£14.70 per unit
£3.64 per unit
£8.49 per unit
£7.91 per unit
£6.93 per unit
£10.91 per unit
£7.25 per unit
£9.27 per unit
£13.61 per unit
£12.20 per unit
£8.64 per unit
£8.07 per unit
£6.90 per unit