Topic: QUEUE, STACKS

Langauge: C++

1. Write a program that implements a priority queue for shipping packages. Create a class for packages that include destination name, address, city, state, zip and postal class along with appropriate constructor, accessor and mutator methods. Postal classes consists of (in priority order):
   • Priority Mail Express
   • Priority Mail
   • First-Class Mail
   • Periodicals
   • USPS Marketing Mail
   • Package Services
   • USPS Retail Ground

Packages should be loaded into a priority queue. The results should come out in prioritized order. Display the package data when you load the packages into the queue. When the program is finished remove/dequeue all of the packages and display the package information in the order dequeued.