2 to 11,,£49,
12 to 99,£4∙88 x M,,
100 to 999,£3∙52 x M,£490,
1,000 to 4,999,£2∙74 x M,£3,520,
5,000 to 9,999,£2.07 x M,£13,700,
10,000 or more,£1∙45 x M,£20,700,