<prompt> Translate the following text to EnglishRipoti kwa Congress juu ya Mamlaka ya Huduma ya Posta ya Marekani ya Kuanzisha Bidhaa na Huduma za Ubunifu na Kuingia katika Mikataba ya Kiwango na Huduma  <response>: Report to the Congress on Authority of the United States Postal Service to Introduce Innovative Products and Services and to Enter into Rate and Service Agreements 