Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to negotiate with suppliers as a small business [title] Shop around. [step] Before you begin negotiations with any one particular supplier, you should know what your alternatives are. Get price and availability quotes from multiple suppliers.

Ending1: Be certain that you have enough information to accurately estimate their prices. [title] First, discuss pricing invoices. Ending2: This can be a game you play with similar suppliers to compare. You want to talk about price only, you don't want information that can be easily exploited later. Ending3: Getting a free product from them can prove more expensive. Or, try visiting one of suppliers' websites. Ending4: It would not be productive to go into negotiations with one supplier if the requests you make are not reasonable according to the industry standard. [substeps] You can let your supplier know that you have done your homework.

Answer format: ending1/ending2/ending3/ending4