£4.76 per unit
£1.61 per unit
£0.54 per unit
£0.72 per unit
£0.50 per unit
£0.59 per unit
£0.38 per unit
£0.42 per unit
£0.46 per unit
£0.54 per unit
£1.36 per unit
£1.72 per unit
£1.97 per unit
£2.34 per unit
£11.58 per unit
£20.13 per unit