How to fix this MySql syntax error in PHP?

I'm making data installing form and trying to save those data in db.
And I'm getting this given below error.
error You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'desc, total) VALUES ('MM20', '520.00' , 'S.Hashan' ,'522.00' , 'hgASKCHkbzmbk' ' at line 1
Actually I'm sending six records. 'MM20', '520.00' , 'S.Hashan' ,'522.00' , 'hgASKCHkbzmbk' ,'5200.00' But only five is sending as the error showing. Given below is my source code. Please help me.

<?php

$con = mysql_connect("localhost", "root", "");

if ($con) {
$db = mysql_select_db('mobile', $con);
} else {
 die('Could not connect: ' . mysql_error());
  }

 if (array_key_exists('save_data', $_POST)) {

 $model_no = mysql_real_escape_string($_POST['model_no']);
 $service_fee = mysql_real_escape_string($_POST['service_fee']);
 $sp_name = mysql_real_escape_string($_POST['sp_name']);
 $sp_price = mysql_real_escape_string($_POST['sp_price']);
 $desc = mysql_real_escape_string($_POST['desc']);
 $total = mysql_real_escape_string($_POST['total']);

 $query ="INSERT INTO mobile_rep (model_no, service_fee, sp_name, sp_price, desc,      total)
 VALUES ('{$model_no}', '{$service_fee}' , '{$sp_name}' ,'{$sp_price}' , '{$desc}' ,    '{$total}')";

$result = mysql_query($query);
if ($result) {
    echo "1 record added";
} else {
    echo "error";
    echo '<br/>'.  mysql_error();
}    
  }
      mysql_close($con);

?>