Can you please help me on all of question 2?

m oy workerl = new Employee ("John""Smith", 50000); 17 John Smith has salary - $50,000. workeri.raiseSalary(20); // John Smith now has salary - $60,000. Use the method header below to write raiseSalary. public void raiseSalary (double by Percent) c. Write a method calculateBonusAmount for the Employee class. The method calculateBonusAmount will calculate and return the amount of money to be given to an employee as a holiday bonus. This amount is based on the salary of the employee and the given percent passed as a parameter to the method. For example: Employee workeri - new Employee ("John", "Smith", 50000); // John Smith has salary = $50,000. System.out.println (workeri.calculateBonusAmount (3)); // 1500.0 will be printed Use the method header below to write calculateBonusAmount. public double calculateBonusAmount (double by Percent) 2. A Book class is to be implemented with the following properties. A Book object has a title (a String), an author (a String), and a price (a double). An incomplete definition for the Book class is shown below. public class Book 46 Java Concepts Advanced Placement CS Study Guide // Constructor goes here Returns price of book. Greturn price of book public double getPrice () return price; Decreases book price. param by Percent the percent the price is decreased public void giveDiscount (double by Percent) // Code goes here private String title: private String author private double price, Write a constructor for the Book class that has three parameters: a title (a String), an author (a String), and a price (a double). b. Write the method giveDiscount that modifies the price of the book by decreasing the price of the book by a given percentage. For example: Book myFavoriteBook - new Book ("The Cat in the Hat Comes Back", Dr. Seuss", 10.00); my FavoriteBook.giveDiscount (15); // price - 8.5 System.out.println("The new price of the book is - + my favoriteBook.getPrice()); // Output would be the new price of the book is 8.5 Use the method header below to write giveDiscount. public void giveDiscount (double by Percent)