£9.84 per unit
£13.71 per unit
£5.76 per unit
£8.70 per unit
£9.44 per unit
£11.97 per unit
£10.65 per unit
£10.52 per unit
£13.26 per unit
£9.05 per unit
£10.04 per unit
£14.23 per unit
£6.17 per unit
£3.61 per unit
£3.28 per unit
£2.94 per unit