Shipping charge not reflecting quantity purchased of same item

$Shipping_PackageArray[$Shipping_PackageIndex]["eCart_Quantity"] = (($Shipping_Packaging == 1)?$guitartables->DisplayInfo("Quantity"):1);
      $Shipping_PackageArray[$Shipping_PackageIndex]["IsPackage"] = "true";
      $Shipping_PackageArray[$Shipping_PackageIndex]["Quantity"] = "1";
      $Shipping_PackageArray[$Shipping_PackageIndex]["WeightUnits"] = "".strtoupper($guitartables->WeightUnits)."LBS"  ."";
      $Shipping_PackageArray[$Shipping_PackageIndex]["PackageWeight"] = "".WA_eCart_FormatNumber($guitartables->DisplayInfo('Weight'), true, 1)  ."";

$Shipping_PackageArray[$Shipping_PackageIndex]["eCart_Quantity"] = (($Shipping_Packaging == 1)?$guitartables->DisplayInfo("Quantity"):1);
      $Shipping_PackageArray[$Shipping_PackageIndex]["IsPackage"] = "true";
      $Shipping_PackageArray[$Shipping_PackageIndex]["Quantity"] = (($Shipping_Packaging == 1)?$guitartables->DisplayInfo("Quantity"):1);
      $Shipping_PackageArray[$Shipping_PackageIndex]["WeightUnits"] = "".strtoupper($guitartables->WeightUnits)."LBS"  ."";
      $Shipping_PackageArray[$Shipping_PackageIndex]["PackageWeight"] = "".WA_eCart_FormatNumber($guitartables->DisplayInfo('Weight'), true, 1)  ."";