£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
£2.86 per unit
£2.26 per unit
£1.90 per unit
£1.43 per unit
£4.62 per unit
£3.18 per unit
£1.60 per unit