C:\test>junk47.pl
[
  {
    account    => 1000901,
    billamount => 4200,
    firstname  => "DAVID",
    lastname   => "RHODES",
  },
  {
    account    => 1000902,
    billamount => 10000,
    firstname  => "MARY",
    lastname   => "RHODES",
  },
  {
    account    => 1000903,
    billamount => 1200,
    firstname  => "BILL",
    lastname   => "HICKOK",
  },
  {
    account    => 1000909,
    billamount => -1,
    firstname  => "FRED",
    lastname   => "BLOGGS",
  },
]