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.