£6.80 per unit
£9.14 per unit
£10.66 per unit
£11.12 per unit
£16.06 per unit
£16.28 per unit
£29.13 per unit
£13.68 per unit
£16.91 per unit
£5.64 per unit
£7.57 per unit
£8.83 per unit
£9.22 per unit
£13.29 per unit
£13.46 per unit
£24.08 per unit