£27.20 per unit
£23.80 per unit
£20.40 per unit
£19.04 per unit
£15.64 per unit
£12.24 per unit
£8.84 per unit
£74.80 per unit
£61.20 per unit
£54.40 per unit
£2.57 per unit
£2.36 per unit
£3.96 per unit
£14.00 per unit
£14.13 per unit
£13.44 per unit