£5.73 per unit
£6.33 per unit
£7.14 per unit
£3.05 per unit
£5.34 per unit
£5.72 per unit
£8.94 per unit
£4.85 per unit
£8.09 per unit
£5.46 per unit
£8.28 per unit
£11.26 per unit
£13.52 per unit
£15.77 per unit
£10.71 per unit
£11.26 per unit