A class grade application for instructors assigns letter grades based on students' numerical grades.
The letter grades for different numerical grades should be:
Above 89, up to 100 - A
Above 79, up to 89 • B
Above 69, up to 79 • C
Above 59, up to 69 - D
Below 60- F
Which of the following sets of test inputs would achieve the relatively highest equivalence partition coverage?
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