How to make a TOWER DEFENSE GAME in flash ( AS3) part 3

HOW TO MAKE A GAME IN FLASH This is part 3 of how to make a tower defense game in this tutorial I will teach you to add towers that will shoot the enemies. I will also show you how to display the score. This is an advanced tutorial compared to my other Defense game is a real time startergy game. The goal of the tower defense game is to try to stop enemies from crossing a map by building towers that shoot at them as they an enemy is defeated the player will earn money o