You must use struct data type to store information about textbooks. Every textbook is characterized by the following information: 1) Title (up to 20 characters); 2) Author name (a single author, up to 20 characters); 3) Price (float); 3) The identifier of the course that could use the textbook (up to 10 characters); and 4) Format (paper or electronic). Multiple textbooks can list the same course as their field 3. The program implements the following functionality: - The information about the individual textbooks is read from an input file. 1. Store the information about all textbooks in an array, and then display the content of the array.
2. Order the textbooks in the alphabetical order of their authors, and then display all the textbooks in that order.
3. Read a course identifier, and then display all textbooks that could be used for the course. The displaying should be in the increasing order of the textbook price.
4. Indicate the total price of all books in paper format (print), and the total price of all books in electronic format.