Context: Search Engine Optimization ( SEO ) and Pay Per Click ( PPC ) advertising are the two leading strategies for attracting highly targeted traffic to your website . While industry experts argue that SEO earns more ROI than PPC , it does not mean that PPC is not useful or preferable . After all , the golden rule of marketing says - if your marketing campaign is making a profit , it 's worth it .

Question: What may be the reason for an online marketing campaign making you a profit ?
Options:
0. It drives traffic to your brick and mortar store .
1. It pays you to sign up with them .
2. It drives traffic to your product online .
3. It is cheaper than other forms of advertisement .
Answer: 2