Final answer:
A customer's daily EDDM mail submission limits vary by location and postal regulations, with no standard nationwide maximum.
Step-by-step explanation:
The question is about how many Every Door Direct Mail (EDDM) pieces a customer can bring in one day. The correct answer is: A. Varies by location and postal regulations. The United States Postal Service (USPS) has guidelines that can affect the number of EDDM mailings allowed per day, which can differ based on local post office capabilities and the current postal regulations. Therefore, the amount of EDDM mail a customer can submit in one day can vary significantly. Businesses using EDDM should check with their local post offices for detailed guidance on submission quantities and requirements.