Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to treat your customer while serving them [title] When the customer approaches your till point, greet them nicely. [step] This means you should acknowledge the customer with eye contact. Say " hello " and smile.

Ending1: [title] Apologise for any wait, no matter how short. [step] The customer might not understand why they have had to wait. Ending2: [substeps] Also greet them in a professional manner. Always state your name, address, and similar things. Ending3: Offer him or her a fresh drink once in awhile. [substeps] Remember to shake each customer's hand. Ending4: If you don't meet their smile they'll get bored and start saying no. To greet the customer again, do a brief " hi " and introduce them to your horde.

Answer format: ending1/ending2/ending3/ending4