protected function getFields($store)
{
/** @var Mage_Tax_Helper_Data $tax_helper */
$tax_helper = Mage::helper('tax');
if ($tax_helper->getPriceDisplayType($store) == Mage_Tax_Model_Config::DISPLAY_TYPE_EXCLUDING_TAX) {
return array('price' => false);
}
if ($tax_helper->getPriceDisplayType($store) == Mage_Tax_Model_Config::DISPLAY_TYPE_INCLUDING_TAX) {
return array('price' => true);
}
return array('price' => false, 'price_with_tax' => true);
}