Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to build an online business [title] Solve a customer problem. [step] Consumers buy products and services to satisfy a physical or emotional need. However, customers only buy when the need is paramount in their mind.

Ending1: Asking for help is a low-cost way to provide a simple solution to a problem. It can be hard to perceive reason when building your business from scratch, so it works best to attempt to figure out an answer. Ending2: These will always be crucial for successful consumers and if you can identify someone who may have a problem that does not meet your needs, resolve the issue and offer alternative solutions to it. [substeps] Identify several people with whom to talk about a problem. Ending3: Eating a balanced diet can lead to a strong presentation, including a chef's costume, the right health software and internet key cards. You will also have a better impression of your quality and productivity. Ending4: For example, a homeowner will hire a plumber if he has a leak, men and women will buy new clothes to enhance their appearance, or a student will take special lessons if he believes completion will lead to a better job. Your online business product or service must stimulate and then fulfill that need before a sale occurs.

Answer format: ending1/ending2/ending3/ending4