subtotal = $subtotal; } /** * Getter for subtotal */ public function getSubtotal() { return $this->subtotal; } /** * Setter for tax * @param string $tax */ public function setTax($tax) { $this->tax = $tax; } /** * Getter for tax */ public function getTax() { return $this->tax; } /** * Setter for shipping * @param string $shipping */ public function setShipping($shipping) { $this->shipping = $shipping; } /** * Getter for shipping */ public function getShipping() { return $this->shipping; } /** * Setter for fee * @param string $fee */ public function setFee($fee) { $this->fee = $fee; } /** * Getter for fee */ public function getFee() { return $this->fee; } }