public function getUnit(bool $ati = false): float
    {
        return $ati ? $this->ati($this->unit) : $this->unit;
    }
public function getUnit(bool $ati = false): float
    {
        return $ati ? $this->ati($this->unit) : $this->unit;
    }
Returns the unit.

@param bool $ati

@return float