public function getPaymentFeeAmount(Mage_Sales_Model_Quote $quote, $store = null)
    {
        $paymentMethod = $quote->getPayment()->getMethod();
        if ($paymentMethod == 'adyen_openinvoice') {
            return Mage::getStoreConfig('payment/adyen_openinvoice/fee');
        } elseif ($paymentMethod == 'adyen_ideal') {
            return Mage::getStoreConfig('payment/adyen_ideal/fee');
        } elseif (substr($paymentMethod, 0, 10) == 'adyen_hpp_') {
            return $this->getHppPaymentMethodFee($paymentMethod);
        }

        return 0;
    }