A.等價交換、最大誠信 B.公平合理、最大誠信 C.公平合理、收支相等 D.等價交換、收支相等
A.38.75 B.39 C.39.58 D.40
A.600和1653.30 B.623.11和1600.50 C.623.11和1653.30 D.1600.50和1653.30