£0.42 per unit
£8.72 per unit
£6.74 per unit
£0.82 per unit
£0.81 per unit
£1.12 per unit
£1.44 per unit
£4.70 per unit
£4.28 per unit
£1.79 per unit
£1.65 per unit
£1.09 per unit
£1.44 per unit
£0.68 per unit
£5.15 per unit
£5.66 per unit