public function calculate(array $product, array $options = array())
    {
        $options += array(
            'status' => 1,
            'store_id' => $product['store_id']
        );

        $components = array();
        $total = $product['price'];

        foreach ($this->price_rule->getTriggered($product, $options) as $price_rule) {
            $this->price_rule->calculate($total, $product, $components, $price_rule);
        }

        return $total;
    }