Please choose the correct ending to complete the given sentence: Work World: [header] How to develop professionalism [title] Start working on your professionalism early. [step] Take every opportunity you can to figure out what other professionals expect of you. Then, show that you understand responsibility, teamwork, and basic ethical and moral value.

Ending1: [substeps] When it comes to customer service, it's generally considered a personality trait. Professional or moral issues should be treated with professionalism. Ending2: [substeps] Most companies need a well-rounded employer. They are more likely to hire employees who are highly experienced when it comes to practical data collecting. Ending3: This can help you figure out professionalism and may grab the attention of a mentor who can further develop your professionalism. [substeps] Ask questions any time you're unsure of professional expectations. Ending4: [substeps] Are you kind? Friendly? Respectful? [title] Offer your personality and skills. [step] Once you have the skill set down, begin using it.

Answer format: ending1/ending2/ending3/ending4