£1.26 per unit
£0.34 per unit
£0.54 per unit
£0.72 per unit
£0.59 per unit
£6.71 per unit
£5.68 per unit
£19.28 per unit
£23.10 per unit
£22.58 per unit
£3.68 per unit
£3.83 per unit
£4.10 per unit
£5.90 per unit
£5.94 per unit
£4.40 per unit