public function getTaxRate()
    {
        $rate = ($this->Tax()->exists()) ? $this->Tax()->Rate : 0;

        $this->extend("updateTaxRate", $rate);

        return $rate;
    }
public function getTaxRate()
    {
        $rate = ($this->Tax()->exists()) ? $this->Tax()->Rate : 0;

        $this->extend("updateTaxRate", $rate);

        return $rate;
    }
public function getTaxRate ( ) { $ rate = ( $ this -> Tax ( ) -> exists ( ) ) ? $ this -> Tax ( ) -> Rate : 0 ; $ this -> extend ( "updateTaxRate" , $ rate ) ; return $ rate ; }
Get the rate of tax for this item

@return float
Get the rate of tax for this item