A top-down approach to programming can help us solve a big problem by breaking it down into smaller modules. Let’s apply a top-down approach to designing a computer system for a movie theater. First, make a list of all of the high-level tasks that a movie theater needs to do. To get you started, one of your tasks could be "sell tickets." You must come up with at least three other tasks (modules). Now, break down each one of those modules even further. For "sell tickets," you might break it down into "calculate total price," "update seats available," and "print tickets." Each of your modules should have at least two sub-modules.