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		Malc
Is there a formula to allow me to calculate a deduction 
from a sum up to a certain limit then change the deduction
to another amount once this limit has been reached?
Example would be
To deduct 5% of sum up to a max of £170
then 4% thereafter
Thanks
				
			from a sum up to a certain limit then change the deduction
to another amount once this limit has been reached?
Example would be
To deduct 5% of sum up to a max of £170
then 4% thereafter
Thanks
