Zoom Udyog, a car manufacturing Co., has started its business with Zoom 800 and slowly launched Zoom-1000, Wagon-Z, Swy-fy etc. and offered various services like after sale service, availability of spare parts etc. Identify the element of marketing mix referred here. Mansi took her niece, Ridhima, for shopping to 'Mega Stores' to buy her a bag for her birthday. She was delighted when on payment of the bag she got a pencil box along with the bag free of cost. Identify the technique of sales promotion used by the company.