£0.54 per unit
£0.46 per unit
£0.42 per unit
£0.38 per unit
£0.59 per unit
£0.50 per unit
£0.72 per unit
£0.54 per unit
£1.61 per unit
£4.47 per unit
£4.47 per unit
£4.50 per unit
£4.04 per unit
£3.71 per unit
£2.94 per unit
£4.67 per unit