Modify Pr21-3.cpp. You will also need to look at Pr21-2.cpp and look in the book
Modify Pr21-3.cpp. You will also need to look at Pr21-2.cpp and look in the book Modify Pr21-3.cpp. You will also need to look at Pr21-2.cpp and look in the book. (You must start with Pr21-3) Name the new program: LastnameF230Assign13.cpp where Lastname is your last name and F is the first initial of your first…