Lower Intermediate - Expensive menu

So, you decide to go out for a meal; you reach the restaurant and the waiter seats you at a table, you sit down and open the menu, and find yourself looking at prices fit for a king! Do you: a) walk out when the waiter's back is turned; b) stay put and hope the food is worth the price; or c) stay home, relax, listen to this lesson and keep yourself out of such situations to begin with.