Q1. Create an Input File with the following information regarding to inventory:Item_Id Price ? Write a menu driven C++ program to perform the following four tasks in a single file, if user press...

Q1. Create an Input File with the following information regarding to inventory: Item_Id Price ? Write a menu driven C++ program to perform the following four tasks in a single file, if user press option 1 the task 1 get solved and so on: 1. Display the Item_Id of the products which are not available in stock on screen. 2. Copy all the available products data in a separate file. 3. Read the original input file and update the price of each item by 10 percent increase in the original price and save the complete information in separate file. 4. Try to save the information processed in part 3 in the original file by updating it instead of using separate file.