Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to be a great waitress [title] Always look presentable. [step] If you wear a uniform, make sure to keep it in excellent condition-ironed, stain-free and neat. If there is no uniform, wear well kept, slightly formal clothing.

Ending1: [substeps] It is particularly important to follow a healthy diet and exercise routine if you are a good customer. Exercise regularly, and try to work out every day. Ending2: [title] Give to charity or redress for a promotion. [step] Make it clear how much money you get on items and do this for a good cause. Ending3: This gives the customers a better first impression and will keep your boss happy. Check your appearance periodically to see if you look disheveled or have spilled something on yourself without noticing. Ending4: The general rule is to wear clean clothes every day, and to dress to impress, wear suits, neat shirts, good quality shoes, nothing fancy. If you have blue hair, wear it with a corsage.

Answer format: ending1/ending2/ending3/ending4