Assume that you are planning to make a point-of-sale system (POS) that will have the following features: Billing and order processing/records: This will generate order invoice. Sales report/records: This will track the information of all the items that are sold. Inventory management: This will manage the quantity of the item stocks. 1. Using Mongo shell, create a data schema that will demonstrate the described system. You can use either embedded or reference data model based on your data design 2. After creating the schema, insert appropriate data based the given transaction below: o On July 21, 2021, Rosalie purchased two (2) iPhone X phones worth P45,000 each. Before Rosalie made the purchase, the quantity of iPhone X is 49