public function getBundleAmount($dAmount)
    {
        $dItemAmount = $this->oxdiscount__oxitmamount->value;

        // Multiplying bundled articles count, if allowed
        if ($this->oxdiscount__oxitmmultiple->value && $this->oxdiscount__oxamount->value > 0) {
            $dItemAmount = floor($dAmount / $this->oxdiscount__oxamount->value) * $this->oxdiscount__oxitmamount->value;
        }

        return $dItemAmount;
    }