Write a program in C++ to: 1. Read all records from a binary file (also attached to this email) to arrays:(the record structure:student number (20 bytes), grade (integer)) 2. Sort the list according to test scores: 3. Calculate the average test score for the class and print on the screen: 4. write sorted records to a new binary file. For example: The records in the original file: 1 89 2 95 3 76 The new file sorted by scores: 3 76 1 89 2 95