£9.84 per unit
£13.71 per unit
£5.76 per unit
£8.70 per unit
£9.44 per unit
£4.76 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
£4.37 per unit
£3.96 per unit
£3.47 per unit
£3.65 per unit