Please solve this in C programming language as early as possible.

Write a full code that will contain all the following measures.

Suppose, you are running a book shop. You have 80 books there. Design a structure name Book_info to store all the books Name, Id, present price, Author's name, publication year and any other thing that is needed. Take all the data for all the books from user.

Suppose, you have to change some books price. Write a function name price_change(). If a book's publication year is between 1990 to 2000, its price will become half. All other books price will be increased by 10%. Print all the books name. Also make a total price of all the books.

Open a text file name Rabindro_Database. If the file opens successfully, write all the books name whose author is Rabindranath .