Function: minus(numbers('rep') if numbers("per") if numbers('rep') > numbers('rep') else sum(numbers('rep'), numbers("per")) > sum(numbers('rep'), numbers("per")) else sum(numbers('rep'), numbers("per")) if numbers('rep') if sum(numbers('rep'), numbers("per")) > numbers("per") else numbers('rep') > numbers("per") else numbers('rep'), numbers('rep') if sum(numbers('rep'), numbers("per")) > numbers("per") else numbers('rep') if numbers("per") > sum(numbers('rep'), numbers("per")) else numbers('rep'))