public function getTax()
    {
        $rate = $this->taxRate / 100;
        $value = $this->price->multiply($rate);
        return $value;
    }
public function getTax()
    {
        $rate = $this->taxRate / 100;
        $value = $this->price->multiply($rate);
        return $value;
    }
public function getTax ( ) { $ rate = $ this -> taxRate / 100 ; $ value = $ this -> price -> multiply ( $ rate ) ; return $ value ; }
Returns the tax for one single item.

@return Money
Returns the tax for one single item .