Write a code in java using a loop. Serendipity Booksellers has a book club that awards points to its customers based on the number of books purchased each month. The points are awarded as follows: If a customer earned 0 books, he or she earns 0 points, 1 book 5 points, 2 books 15 points, 3 books 30 points, 4 or more books 60 points. Write a program that asks the user to enter the number of books that he or she has purchased this month and then displays the number of points awarded

a) int points = books * 5;
b) int points = books * 10;
c) int points = books * 15;
d) int points = books <= 3 ? books * 10 : 60;