Project Description Write a Java program that calculates the grades of students in a given course. The program will prompt the instructor to enter the names of students, their ID, attendance, assignments, midterm and final. It will then calculate the total and the letter grade as follows: Total: Attendance: 10% Assignments: 20% Midterm: 30% Final: 40% Letter grade: A: total > 90 B: 80 s total