A.亏损15600 B.亏损30000 C.盈利27500 D.盈利30000 E.盈利45000
A.10.26% B.8.787% C.8.033% D.8.734%
A.2083333 B.3040670 C.3571429 D.4678363 E.5500000
A.628.01 B.708.48 C.769.86 D.820.15
A.5.80% B.6.85% C.7.05% D.8.16% E.9.90%