£1.74 per unit
£2.00 per unit
£2.34 per unit
£2.10 per unit
£5.34 per unit
£10.59 per unit
£10.83 per unit
£4.73 per unit
£8.57 per unit
£11.40 per unit
£4.20 per unit
£2.70 per unit
£13.26 per unit
£10.52 per unit
£6.56 per unit
£5.76 per unit