Create a Python based application using class and object concepts. Implement Point of Sale (POS) which stores Product Id (P_ID), Product Name (P_Name), Product Price (P_Price) and Product Type (P_Type). This POS System calculate and create customers receipt with time and date of purchase which show each product price and total price with proper format also it subtracts product from inventory on every sale. Use File and dictionary to save data of inventory also calculate total sale of a store in a day.