title: After click the select option update product price shows wrong in opencart
body: <p>When I click on selected option product price update shows wrong.
  Here is my code</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="container"&gt;
        &lt;div class="row"&gt;
        &lt;div class="col-md-6"&gt;Initial Price: &lt;span id="thisIsOriginal" class=""&gt;$45,000.00&lt;/span&gt;&lt;/div&gt;
        &lt;div class="col-md-6"&gt;Total: &lt;span id="total"&gt;$45,000.00&lt;/span&gt;&lt;/div&gt;
        &lt;/div&gt;
        &lt;div class="row"&gt;
          &lt;select class="optionPrice" name="select-1"&gt;
            &lt;option value=""&gt;Please Select&lt;/option&gt;
            &lt;option data-price="2,000.00" value="20"&gt;+$2,000.00&lt;/option&gt;
          &lt;/select&gt;
        &lt;/div&gt;
      &lt;/div&gt;
  
  &lt;script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript"&gt;
  $(document).ready(function () {
      $('.optionPrice').change(function () {
          var OriginalPrice = $('#thisIsOriginal').text();
          var OriginalCurrency = OriginalPrice.substring(0, 1);
          OriginalPrice = OriginalPrice.substring(1);
          var total = 0;
          $('.optionPrice').each(function () {
              if ($(this).find('option:selected').attr('data-price') != 0 &amp;&amp; $(this).find('option:selected').attr('data-price') != undefined) {
                  console.log($('option:selected', this).attr("data-price"));
                  total += parseFloat($('option:selected', this).attr('data-price'));
              }
          });
          var newTotal = parseFloat(OriginalPrice) + parseFloat(total);
          $('#total').text('$' + newTotal.toFixed(2));
      });
  });
  &lt;/script&gt;
   </code></pre>
  </div>
  </div>
  </p>
  
  <p>How to solve this issue.I want after select the price shows 47,000. </p>