£0.62 per unit
£0.84 per unit
£1.67 per unit
£0.83 per unit
£1.61 per unit
£0.40 per unit
£0.89 per unit
£1.15 per unit
£1.46 per unit
£0.62 per unit
£0.99 per unit
£1.62 per unit
£3.72 per unit
£1.98 per unit
£2.25 per unit
£2.81 per unit