Instead of buying tomatoes from farmers, Salad Emporium (a salad restaurant) decides to buy farms that grow tomatoes so Salad Emporium no longer need to buy tomatoes. According to the eTextbook, taking on this additional supply chain responsibility is referred to as: Instead of buying tomatoes from farmers, Salad Emporium (a salad restaurant) decides to buy farms that grow tomatoes so Salad Emporium no longer need to buy tomatoes. According to the eTextbook, taking on this additional supply chain responsibility is referred to as: Vertical integration Total cost of ownership Supplier certification Supplier redistribution Supply chain visibility