£7.73 per unit
£10.94 per unit
£3.24 per unit
£5.38 per unit
£5.14 per unit
£8.90 per unit
£1.96 per unit
£1.07 per unit
£4.73 per unit
£8.12 per unit
£2.36 per unit
£2.02 per unit
£3.27 per unit
£2.81 per unit
£4.19 per unit
£9.47 per unit