£0.51 per unit
£0.65 per unit
£0.30 per unit
£0.88 per unit
£2.86 per unit
£1.79 per unit
£4.21 per unit
£5.60 per unit
£1.44 per unit
£1.12 per unit
£0.82 per unit
£6.02 per unit
£7.29 per unit
£8.01 per unit
£7.52 per unit
£4.48 per unit