This is JavaScript to designed a track inventory for a store.

I need the inventory that exposes the following functionality:

addItem - A function that takes 2 parameters: an item's name and price and tracks it internally.

items - A function that returns a list of items, sorted by price from least expensive to most expensive.

getMostExpensive - Returns an object that contains the item's name and price for the most expensive item that has been added.

getLeastExpensive - Returns an object that contains the item's name and price for the most least expensive item that has been added.

removeItem - Remove an item by name.

getItemByName - Returns an item's name and price by name.

getItemByPrice - Returns an item's name and price by price.