£6.93 per unit
£6.57 per unit
£1.55 per unit
£2.67 per unit
£28.18 per unit
£39.12 per unit
£15.26 per unit
£19.96 per unit
£47.20 per unit
£59.36 per unit
£68.49 per unit
£78.12 per unit
£101.13 per unit
£114.62 per unit
£133.61 per unit
£151.34 per unit