£1.68 per unit
£1.95 per unit
£2.28 per unit
£2.03 per unit
£5.18 per unit
£10.59 per unit
£10.84 per unit
£4.73 per unit
£2.45 per unit
£11.07 per unit
£4.08 per unit
£2.63 per unit
£6.56 per unit
£5.76 per unit
£5.50 per unit
£6.12 per unit