Modifikasi Toko Online Total Pembayaran dan Ongkir Tidak Muncul

Assalamualaikum Warahmatullahi Wabarakatuh...
mas ini saya ada masalah soal modifikasi template di Toko Online Raja Ongkir tidak munculnya Total Pembayaran + Ongkos Kirimnya. dan sebagai berikut ini full code di Chekout
 
<div class="container">
  <div class="card">
    <div class="card-body">
      <h5 class="card-title">Checkout Belanja</h5>
      <div class="alert alert-warning alert-dismissible fade show" role="alert">
        <strong>PENTING!</strong>  - Pastikan data anda sudah benar sebelum menyelesaikan orderan ini.
        <button type="button" class="close" data-dismiss="alert" aria-label="Close">
          <span aria-hidden="true">×</span>
        </button>
      </div>
      <?php
        $total = $this->db->query("SELECT sum((a.harga_jual*a.jumlah)-(b.diskon*a.jumlah)) as total, sum(b.berat*a.jumlah) as total_berat FROM `rb_penjualan_temp` a JOIN rb_produk b ON a.id_produk=b.id_produk where a.session='".$this->session->idp."'")->row_array();
        echo"<form action='#' method='POST'>
          <div class='row'>
            <div class='col-lg-8 chekout'>
              <table class='table'>
                <tbody>
                  <tr>
                    <th scope='row' width='160'>Nama</th>
                    <td>: $rows[nama_lengkap]</td>
                  </tr>
                  <tr>
                    <th scope='row'>No Telpon/Hp</th>
                    <td>: $rows[no_hp]</td>
                  </tr>
                  <tr>
                    <th scope='row'>Email</th>
                    <td>: $rows[email]</td>
                  </tr>
                  <tr>
                    <th scope='row'>Alamat</th>
                    <td>: $rows[nama_kota]</td>
                  </tr>
                  <tr>
                    <th scope='row'>Kota</th>
                    <td>: $rows[nama_kota]</td>
                  </tr>
                </tbody>
              </table>
            </div>
            <div class='col-lg-4'>
              <div class='form-group'>
                <div class='row'>
                  <div class='col-lg-3'>
                    <label for='inputState' style='line-height: 35px;'>Pilih Kurir</label>
                  </div>
                  <div class='col-lg-9'>
                    <select id='inputState' class='form-control'>
                      <option selected> </option>";
                      $kurir=array('JNE','POS INDONESIA','TIKI');
                      foreach($kurir as $rkurir){
                        echo"<option value='$rkurir'>$rkurir</option>";
                        strtoupper($rkurir);
                      }
                    echo"</select>
                    <div id='kuririnfo' style='display: none;'>
                        <div class='form-group'>
                            <div class='col-md-12'>
                                <div class='alert alert-info' style='padding:5px; border-radius:0px; margin-bottom:0px'>Service</div>
                                <p class='form-control-static' id='kurirserviceinfo'></p>
                            </div>
                        </div>
                    </div>
                  </div>
                </div>
              </div>
              <table class='table table-striped'>
                <thead class='thead-green'>
                  <tr>
                    <th scope='col' colspan='2'>Rincian Belanja</th>
                  </tr>
                </thead>
                <tbody>
                  <tr>
                    <th scope='row'>Total Belanja</th>
                    <td id='totalbelanja'></td>
                  </tr>
                  <tr>
                    <th scope='row'>Ongkir</th>
                    <td id='totalongkir'></td>
                  </tr>
                  <tr>
                    <th scope='row'>Total Bayar</th>
                    <td id='totalbayar'></td>
                  </tr>
                </tbody>
              </table>
            </div>
          </div>
          <div class='row'>
            <div class='col-lg-12'>
 
              <table class='table table-striped'>
                <thead class='thead-dark'>
                  <tr>
                    <th width='47%'>Nama Produk</th>
                    <th>Harga</th>
                    <th>Qty</th>
                    <th>Berat</th>
                    <th>Total</th>
                    <th></th>
                  </tr>
                </thead>
                <tbody>";
 
                $no = 1;
                $diskon_total = 0;
                foreach ($record->result_array() as $row){
                $sub_total = (($row['harga_jual']-$row['diskon'])*$row['jumlah']);
                if ($row['diskon']!='0'){ $diskon = "<del style='color:red'>".rupiah($row['harga_jual'])."</del>"; }else{ $diskon = ""; }
                if (trim($row['gambar'])==''){ $foto_produk = 'no-image.png'; }else{ $foto_produk = $row['gambar']; }
                $diskon_total = $diskon_total+$row['diskon']*$row['jumlah'];
                echo "<tr>
                          <td class='valign'><a href='".base_url()."produk/detail/$row[produk_seo]'>$row[nama_produk]</a></td>
                          <td class='valign'>".rupiah($row['harga_jual']-$row['diskon'])." $diskon</td>
                          <td class='valign'>$row[jumlah]</td>
                          <td class='valign'>".($row['berat']*$row['jumlah'])." Gram</td>
                          <td class='valign'>Rp ".rupiah($sub_total)."</td>
                          <td class='valign' width='30px'><a class='btn btn-danger btn-xs' title='Delete' href='".base_url()."produk/keranjang_delete/$row[id_penjualan_detail]'><span class='fas fa-trash-alt'></span></a></td>
                      </tr>";
                  $no++;
                }
 
                echo "<tr class='success'>
                        <td colspan='4'><b>Subtotal </b> <i class='pull-right'>(".terbilang($total['total'])." Rupiah)</i></td>
                        <td><b>Rp ".rupiah($total['total'])."</b></td>
                        <td></td>
                      </tr>
 
                      <tr class='success'>
                        <td colspan='4'><b>Berat</b> <i class='pull-right'>(".terbilang($total['total_berat'])." Gram)</i></td>
                        <td><b>$total[total_berat] Gram</b></td>
                        <td></td>
                      </tr>
 
              </tbody>
            </table>
            </div>
          </div>
        </form>";
      ?>
      <input type="hidden" name="total" id="total" value="<?php echo $total['total']; ?>"/>
      <input type="hidden" name="ongkir" id="ongkir" value="0"/>
      <input type="hidden" name="berat" value="<?php echo $total['total_berat']; ?>"/>
      <input type="hidden" name="diskonnilai" id="diskonnilai" value="<?php echo $diskon_total; ?>"/>
    </div>
  </div>
</div>
 
<script>
$(document).ready(function(){
 
$(".kurir").each(function(o_index,o_val){
    $(this).on("change",function(){
        var did=$(this).val();
        var berat="<?php echo $total['total_berat']; ?>";
        var kota="<?php echo $rows['kota_id']; ?>";
        $.ajax({
          method: "get",
          dataType:"html",
          url: "<?php echo base_url(); ?>produk/kurirdata",
          data: "kurir="+did+"&berat="+berat+"&kota="+kota,
          beforeSend:function(){
            $("#oksimpan").hide();
          }
        })
        .done(function( x ) {           
            $("#kurirserviceinfo").html(x);
            $("#kuririnfo").show();         
        })
        .fail(function(  ) {
            $("#kurirserviceinfo").html("");
            $("#kuririnfo").hide();
        });
    });
});
 
$("#diskon").html(toDuit(0));
hitung();
});
 
function hitung(){
    var diskon=$('#diskonnilai').val();
    var total=$('#total').val();
    var ongkir=$("#ongkir").val();
    var belanja = (parseFloat(total)); // untuk menampilkan total belanja
    var kurir = (parseFloat(ongkir)); // untuk menampilkan total ongkir
    var jumlah = (parseFloat(total) + parseFloat(ongkir)); // untuk menampilkan jumlah
    var bayar=(parseFloat(total)+parseFloat(ongkir));
    if(parseFloat(ongkir) > 0){
        $("#oksimpan").show();
    }else{
        $("#oksimpan").hide();
    }
     $("#totalbelanja").html(toDuit(belanja));
      $("#totalongkir").html(toDuit(ongkir));    
      $("#totalbayar").html(toDuit(jumlah));
 
 
}
</script>