Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to track a package [title] Ask your post office clerk whether tracking is included with your postage. [substeps] Priority mail and standard post packages include united states postal service (usps) tracking services. This service is available when shipping online or shipping at the post office.

Ending1: Postage is very often the only billing method which takes priority and can sometimes be the safest option. In this situation, call your post office customer service at 1-800-274-8255, and inquire if tracking can be taken offline. Ending2: These services can be effective for tracking and delivering a package to a particular destination. However, they do not have the necessary capabilities to track both package and delivery services. Ending3: Tracking is not included with media mail or first class mail. You can add the tracking service for an additional fee. Ending4: Provider registered mail and basic use mail that has been legally registered may be included in the package, as well. Cavefront tracking is a service that provides tracking to mailers and postal service.

Answer format: ending1/ending2/ending3/ending4