['Multiply the first 10,000 by the current AMAP rate of 45p. This gives you £4,500.', 'Multiply the remaining 1,000 by the current AMAP rate of 25p. This gives you £250.', 'Add £4,500 and £250 to get the total of £4,750.', 'Deduct £4,750 from your total taxable profit.']