Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to open a trade school [title] Determine which type of trade school you want to open. [step] Usually, you'll want to open a school in your field of expertise so you can evaluate every aspect of the trade school's function. [title] Investigate whether there's a demand for this type of trade school in your area.

Ending1: [step] Some trade schools have international trade schools offering them. Others tend to only have students collecting trade securities, so it may be harder for you to find a potential school based on your situation. Ending2: [step] Some online schools may require that you plan on opening a trade school before they offer that type of gain. [title] Hire experts as a difference between companies that are domain name types. Ending3: [step] Look for signs of unique writing and quality materials. [title] The school typically requires in-demand schooling to have its curriculum quickly-usually within a year of opening. Ending4: [step] Find out if there's any competition in the area and if that will hamper your startup plans. [title] Find out what trade certifications you need, such as welder's, plumber's or electrician's certificate.

Answer format: ending1/ending2/ending3/ending4