Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to sell sandwiches commercially [title] Determine the location to sell your sandwiches. [step] The easiest way to keep your startup costs lower and reach consumers directly is to sell your sandwiches through an existing vendor. Contact cafes, street vendors, and convenient stores in busy areas and offer samples of your sandwiches to the owners or managers.

Ending1: Some locations might let you buy your sandwiches directly from them. [substeps] If you're buying your favorite sandwich from local farmers' markets, check if they require a permit to do business there. Ending2: [substeps] Never sell fliers in bigger stores where customers may see. Instead, adopt a specific set of advertisements. Ending3: [substeps] The availability of sandwiches will depend on the locations you target. For instance, for locations in high-traffic regions, you may want to sell on the sunny side of london rather than in some high-traffic areas. Ending4: [substeps] Negotiate a pricing system that will be profitable for you and the vendor. Discuss terms of payment and other details such as quantities to be expected and delivery times.

Answer format: ending1/ending2/ending3/ending4