Please choose the correct ending to complete the given sentence: Work World: [header] How to avoid a paypal chargeback [title] Describe the items you sell accurately to avoid buyer disappointment or confusion. [step] Provide clear pictures and list all measurements and dimensions. [title] Provide clear contact information for your customers, including a phone number where you can be reached.

Ending1: [step] Include enough receipts from your purchases to make it easy for customers to contact you. Avoid the " you " quotation marks. Ending2: [step] Customers are less likely to file chargebacks if they can easily contact you with their concerns. [title] Return all phone calls or emails within 24 hours of receiving them, if possible. Ending3: [title] List your business information to avoid the temptation to forget. [title] Verify every item is true to its worth. Ending4: [title] Sell a specific number of items at a time. [step] You should include the products, commission and paypal interest rates in your charge report.

Answer format: ending1/ending2/ending3/ending4