(E-Commerce) Some online stores offer their customers a gift registry, where they can enter items that they would like to receive as gifts for a special event. Let’s let the customers rank the gifts...

(E-Commerce) Some online stores offer their customers a gift registry, where they can enter items that they would like to receive as gifts for a special event. Let’s let the customers rank the gifts in order of preference in the registry.

a. Design an ADT to represent the gift registry.

 b. Implement your ADT in pseudocode using the operations of the ADT list.

c. Implement your ADT using the class Our List that Projects 1 and 2 asked you to write.