record_id,description,amount,active,optional_note
E-01,"comma, inside a quoted value",125.5,true,normal
E-02,"line one
line two",0,false,
E-03,negative amount,-18.75,true,refund
E-04,explicit NA,NA,false,NA token
E-05,null-like token,,true,
E-06,whitespace only,   ,false,   
E-07,duplicate candidate,125.5,true,normal
E-07,duplicate candidate,125.5,true,normal
E-08,very large integer,9007199254740991,true,check numeric handling