£1.05 per unit
£1.71 per unit
£1.71 per unit
£1.71 per unit
£1.07 per unit
£1.92 per unit
£1.92 per unit
£0.34 per unit
£1.60 per unit
£3.72 per unit
£1.98 per unit
£1.60 per unit
£0.57 per unit
£0.62 per unit
£0.51 per unit
£0.46 per unit