Hello everyone. I am writing a simple function that returns a char array. Here is the code that I have so far. Can anyone help me fix the errors I am having working with the char array? Thanks.

char[] getLetterGrade(float average)
{
char[] letterGrade;

//this code checks the average passed to it and returns the proper grade
if(average>=93) letterGrade='A';

else
if(average>=87) letterGrade='AB';
else
if(average>=83) letterGrade='B';
else
if(average>=77) letterGrade='CB';
else
if(average>=73) letterGrade='C';
else
if(average>=67) letterGrade='CD';
else
if(average>=60) letterGrade='D';
else
if(average<60) letterGrade='F';

return letterGrade;
}