private function addProductFour(Basket $basket)
    {
        $four = $this->products->four();

        $basket->add($four->sku, $four->name, $four->price, function ($product) use ($four) {
            $product->discount($four->discount);
        });

        return $basket;
    }
private function addProductFour(Basket $basket)
    {
        $four = $this->products->four();

        $basket->add($four->sku, $four->name, $four->price, function ($product) use ($four) {
            $product->discount($four->discount);
        });

        return $basket;
    }
private function addProductFour ( Basket $ basket ) { $ four = $ this -> products -> four ( ) ; $ basket -> add ( $ four -> sku , $ four -> name , $ four -> price , function ( $ product ) use ( $ four ) { $ product -> discount ( $ four -> discount ) ; } ) ; return $ basket ; }
Add Product Four

@param Basket $basket
@return Basket
Add Product Four