prefix=12.50; index=5/8; error=-1
whole_input=reject_suffix
same_text=1,234; US=1234; DE=1.234
complete_12.345=parsed_business_rejected; complete_-1.00=parsed_business_rejected
amount_upper_bound: 10000=accepted; 10000.01=rejected
NaN=reject_non_BigDecimal; empty=reject
PASS checks=14
