A.90% B.80% C.70% D.60% E.50%
A.48.5-49.0℃ B.49.5-50.0℃ C.50.5-51.0℃ D.51.5-52.0℃ E.52.5-53.0℃
A.<50% B.>50% C.<25% D.>25% E.<75%