£3.30 per unit
£0.27 per unit
£0.82 per unit
£0.44 per unit
£1.60 per unit
£1.94 per unit
£1.40 per unit
£0.80 per unit
£1.70 per unit
£2.00 per unit
£2.65 per unit
£3.48 per unit
£1.38 per unit
£4.73 per unit
£1.66 per unit
£2.47 per unit