late charge

Summary:

Currently we are flat 1.5% for all the customers as late charge%, But we want to charge high late charge only for two customers. In this case how this can be achieved because Existing 1.5% for other customers should be disturbed or should not mess up

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Version (include the version you are using, if applicable):

24C

Code Snippet (add any code snippets that support your topic, if applicable):