£6.82 per unit
£7.31 per unit
£9.14 per unit
£2.62 per unit
£3.71 per unit
£5.41 per unit
£1.74 per unit
£0.60 per unit
£0.91 per unit
£0.80 per unit
£0.51 per unit
£2.54 per unit
£4.02 per unit
£3.73 per unit
£2.61 per unit
£3.51 per unit