This assignment delves into the realm of Pay-Per-Click (PPC) advertising. It elucidates the two primary models: Cost-Per-Click (CPC) and Auction Rate PPC, highlighting their distinct characteristics. The assignment emphasizes a fundamental formula for measuring PPC campaign performance—Pay-Per-Click = Advertising Cost / Ads Clicked. Furthermore, it outlines crucial steps for running effective PPC campaigns, including goal setting, budget allocation, keyword research, and crafting compelling ad content.