use PDF::Report;
use PDF::Report::Table;

$main_rpt_path = 
"/home/ics/work/rpts/interimmtr_prebill.rpt";
    
$main_rpt_pdf = 
  new PDF::Report('PageSize' => 'letter', 
  'PageOrientation' => 'Landscape',);
    
$main_rpt_tbl_wrt = 
  PDF::Report::Table->new($main_rpt_pdf);

$main_rpt_tbl_wrt->addTable(
build_table_writer_array($pt_column_headers_ref));