protected function getSimpleWithCustomOptionsAdditionalOptionValue(Ess_M2ePro_Model_Listing_Product_Variation_Option $option)
 {
     $value = 0;
     $attributeName = strtolower($option->getAttribute());
     $optionName = strtolower($option->getOption());
     $simpleAttributes = $this->getMagentoProduct()->getProduct()->getOptions();
     foreach ($simpleAttributes as $tempAttribute) {
         if (!(bool) (int) $tempAttribute->getData('is_require')) {
             continue;
         }
         if (!in_array($tempAttribute->getType(), array('drop_down', 'radio', 'multiple', 'checkbox'))) {
             continue;
         }
         $tempAttributeTitles = array($tempAttribute->getData('default_title'), $tempAttribute->getData('store_title'), $tempAttribute->getData('title'));
         $tempAttributeTitles = array_map('strtolower', array_filter($tempAttributeTitles));
         if (!in_array($attributeName, $tempAttributeTitles)) {
             continue;
         }
         foreach ($tempAttribute->getValues() as $tempOption) {
             $tempOptionTitles = array($tempOption->getData('default_title'), $tempOption->getData('store_title'), $tempOption->getData('title'));
             $tempOptionTitles = array_map('strtolower', array_filter($tempOptionTitles));
             $tempOptionTitles = $this->prepareOptionTitles($tempOptionTitles);
             if (!in_array($optionName, $tempOptionTitles)) {
                 continue;
             }
             if (!is_null($tempOption->getData('price_type')) && $tempOption->getData('price_type') !== false) {
                 switch ($tempOption->getData('price_type')) {
                     case 'percent':
                         $value = $this->getProductBaseValue() * (double) $tempOption->getData('price') / 100;
                         break;
                     case 'fixed':
                         $value = (double) $tempOption->getData('price');
                         $value = $this->convertValueFromStoreToMarketplace($value);
                         break;
                 }
             }
             break 2;
         }
     }
     return $value;
 }