Get Price based on selected selects(Get discount if uniq key

// All value from Selected Selects (Additional Classes - List Field)
jQuery(document).on('change', '#gform_wrapper_3 li#field_3_43 select', function(event) {
    var priceTotal = 0;
    var duplicateEvent = [];
    var discountAppliedEvent = [];
    jQuery('#gform_wrapper_3 li#field_3_43 select :selected').each(function() {
          // sum += Number($(this).val());
          var eventName = jQuery(this).val();
          var eventData = jQuery("#gform_wrapper_3 li#field_3_53 select.gfield_select option[value='" + eventName + "']").text();
          var eventDataSplit = eventData.split("|");
          var eventPrice = eventDataSplit[0];
          var event_type = eventDataSplit[1];
          var event_uniq_key = eventDataSplit[2];

           if(event_type == 'series-classes'){
            if(duplicateEvent.length > 0 && jQuery.inArray(event_uniq_key, duplicateEvent) != -1){
                // console.log(jQuery.inArray(event_uniq_key, duplicateEvent));
                if(discountAppliedEvent.length > 0 && jQuery.inArray(event_uniq_key, discountAppliedEvent)){
                    eventPrice = eventPrice - 10;
                } else {
                    eventPrice = eventPrice - 20;
                    discountAppliedEvent.push(event_uniq_key);
                }
              }

              duplicateEvent.push(event_uniq_key);
          }


          if(jQuery.isNumeric(eventPrice)){
            priceTotal += Number(eventPrice);
          }
      });
      jQuery("#gform_wrapper_3 li#field_3_54 input").val(priceTotal).change();


     // console.log(duplicateEvent);

}); // All value from Selected Selects