4) In the Benihana model, what are the operational benefits of adding a bar to restaurant? a. It allows the restaurant to sell more drinks thereby contributing to increase revenue b. It 'filters' the arrival of customers thereby reducing the variability of this process and allowing the restaurant to operate at higher utilization levels c. There are no benefits. A bar takes up useful space that could be effectively used to increase capacity at the restaurant (i.e. by adding more tables) d. None of the above