Display bulk discount options WP

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script><script type="text/javascript">// <![CDATA[
Ecwid.OnPageLoaded.add(function(page){
if (page.type == "PRODUCT") {
setTimeout(function () {
var $el = $(".ecwid-productBrowser-details-wholesale-qty");
if ($el.length) {
$el.first().trigger('click');
}
}, 1000);
}
})
// ]]></script>