Final answer:
A postal meter expedites mail delivery and does not require cancellation or postmarking at the post office. A postal meter is a mailing system that prints postage directly on the envelope or an attached label for mailpieces.
Step-by-step explanation:
The option that expedites delivery of mail and eliminates the need to be canceled or postmarked at the post office is c. postal meter. A postal meter is a mailing system that prints postage directly on the envelope or an attached label for mailpieces. It serves as proof of payment and functions just like a postage stamp, yet it is more convenient for high-volume mailings as it speeds up the mailing process and reduces the time needed for mail to be processed at the post office.