5. Add overloaded + and - operators to the InvItemList class that add and remove an inventory item from the inventory item list. 6. Modify the Inventory Maintenance form to use these operators instead of the Add and Remove methods. Then, test the application to be sure it still works.

answer: b

explanation:

answer is:

a). backstage view

explanation:

backstage view is the area where files and data about them is managed— creating, saving, printing, sending to others, inspecting for hidden metadata or personal information, and setting options. so in this way we can add many things to our document swiftly.

i hope you get the idea.