$coa = new coa();
$coa->coa_id = $coa_id;
$coa->only_parent = true;
$coa->account_qualifier = 'R';
$total_income = 0;
$gbv = new gl_balance_v();
$gbv->period_id_for_fs = $period_id;
$gbv->account_code_low_limit = $coa->field4_low = '400000';
$gbv->account_code_upper_limit = $coa->field4_high = '499999';
$all_asset_parent_segments = $coa->findAll_accounts_from_coaId();
if (!empty($all_asset_parent_segments)) {
    $all_asset_parent_segments_ai = new ArrayIterator($all_asset_parent_segments);
}
$gbv->parent_segments_arrayIterator = $all_asset_parent_segments_ai;
$gbv->fs_detail_data = 1;
$ret_a = $gbv->financeStatement_showBalance();
echo $ret_a['statement'];
$sum_amount_revn = $ret_a['sum'];
$total_income += $sum_amount_revn;
?>
  <tr class="label_three">
   <td>Total Sales</td>
   <td><?php 
echo $sum_amount_revn;
?>
</td>
   <td></td>
  </tr>

  <tr class="label_one">
   <td>COST OF SALES :</td><td></td><td></td>