Read an input from the Input Box that is a Student's Average Using a 10 point scale. 90 to 100 is an A .80 to 89 is a B 70 to 79 is a C 60 to 69 is a D below 60 is an F . Display the message Student Grade grade, where grade is A, B, C, D, or F Write this program by writing a Function called LetterGrade that takes one integer argument and returns nothing. The function header should be: Function LetterGrade (integer average) returns nothing The LetterGrade Function should display the messages: Student Average: average Student Grade: grade where grade is A, B, C, D, or F For example if the input is 95 The output should be Student Average: 95 Student Grade: A If the input is 72