In car repair businesses, clients typically wait until their vehicle is repaired; the service manager can only give an estimate of the approximate waiting time. Clients waiting in the entrance or waiting area of a restaurant for a table normally are seated based on whether they have reservations, or for those without reservations, on a first-come, first served approach; however, important customers or celebrities may be put to the front of the line. In restaurants, customers may also be able to jump the line by giving a large gratuity or bribe to the maitre d'hotel or head waiter. Some restaurants which are co-located with or combined with a retail store or gift shop ask customers who are waiting for a table to browse in the merchandise section until their table's availability is announced on a PA system or via a pager; this strategy can lead to increased purchases in the retail part of the establishment. One combination restaurant/store is the US Cracker Barrel chain. Some restaurants ask customers who are waiting for a table to sit in the restaurant's bar or its licensed lounge area; this approach may lead to increased sales of alcoholic beverages.