Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to find customers [title] Build a plan but keep an open mind. [step] Construct a thorough marketing plan before you actively start your search for customers. Follow your plan closely, but don't be afraid to make changes along the way as you learn more about what works and what doesn't work.

Ending1: [substeps] Among other things, you need to determine an advertising budget. Figure out how much you can afford to spend on marketing before you consider which forms of advertising to use. Ending2: [substeps] For example, don't just start searching for a slow food company with no customers on your list. Think about what the competition wants from customers. Ending3: Before trying to market yourself, be sure to know what a typical customer thought of your product, its commitment (height, reliability) and tactics (drive appeal). Be sure to research, watch television programs, try the web, and even subscribe to magazines and newspapers. Ending4: [substeps] Once you have a written plan, then it's time to develop your strategy. [title] Be flexible in what times you advertise.

Answer format: ending1/ending2/ending3/ending4