Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to track a usps package [title] Set up a trackable form of shipment via the usps. [step] Not all letters or packages can be automatically tracked through the postal system, so make sure that the method you are using does allow for tracking. Some tracking requires a wait of 45 days for lost mail.

Ending1: Other tracking methods will require a payment by cashier's check or money order when the bank gets your receipt. [title] Carefully take your package to a postal processing agency. Ending2: [substeps] Order your package properly to ensure that no dispute breaks out between a transfer e-mail and a communication e-mail. Beware of the slang word " tap box. Ending3: Find out what method of shipment works best and if it is accepted before you send the package. You are authorized to " sign in " if you have more than one application, but it will require some kind of signature. Ending4: [substeps] Domestic first class and media mail shipments do not automatically include tracking. You must request tracking be added, for which there is an additional charge.

Answer format: ending1/ending2/ending3/ending4