Assign a letter grade for the given test score
89
Since 89 falls within the range of 80-89, it would receive a letter grade of "B+", which is slightly below an "A" but still considered a good grade.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Assign a letter grade for the given test score

### Response:
Since 89 falls within the range of 80-89, it would receive a letter grade of "B+", which is slightly below an "A" but still considered a good grade.