Should the Chancellor Choose the Grade Scale or the Pass/Fail Scale for HCC?

Imagine that the Chancellor of HCC is trying to decide whether to use the letter grade system or a pass-fail system. He has asked students, teachers, and parents to write him brief arguments about why HCC should prefer one grade system or the other. Your task, then, is to write an argument that explains your answer to this question: Why should the Chancellor choose the grade scale or the pass/fail scale for HCC?. Include some opposition for your basic argument.