£1.40 per unit
£0.54 per unit
£0.46 per unit
£3.24 per unit
£0.68 per unit
£4.28 per unit
£0.81 per unit
£3.28 per unit
£3.60 per unit
£3.52 per unit
£5.56 per unit
£9.52 per unit
£7.88 per unit
£3.52 per unit
£3.04 per unit
£3.20 per unit