7. Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Write the following methods in the proaram calcAverage: This method should accept five test scores as arguments and return the average of the scores determineGrade: This method should accept a test score as an argument and return a letter grade for the score, based on the following grading scale: Score Letter Grade 90-100 A 80-89 B 70-79 C 60-69 D Below 60 F SAMPLE RUN #4: java TestAvgAndGrade Interactive Session Hide Invisibles Enter test grade - for student 1:55 Enter test grade - for - student 2:65 Enter test grade - for . student -3:75 Enter test grade for student 4:85 Enter test grade - for - student 5:95 The letter grades are as follows: Student 1: F- Student 2:D Student 3: C Student 4:B Student 5: Ae The average grade . was: 75.00