1) Develop a class named Book which holds a stock number, title, author, price, and the number of pages for a book. Involve a method which sets all the data files and another which prints the values for each data field. Develop the class diagram and write down the pseudocode which describes the class.

After this, develop a class named TextBook which is a child class of Book. Involve a new data field for grade level of book. Override the Book class methods which set and print the data so that you may accommodate the new grade-level field. Generate the class diagram and write down the pseudocode which describes the class.