【名词&注释】
经济政策(economic policy)、规范性、农业政策(agricultural policy)、收购价格(purchasing price)、批发价格(wholesale price)、国家强制性、农业法律法规(agricultural laws and regulations)、购销差价(purchase sale price difference)
[多选题]农产品的购销差价(purchase sale price difference)为()。
A. A.批发价格-收购价格
B. B.收购价格×(1+购销差率)-收购价格
C. C.收购价格×购销差率
D. D.购销差价(purchase sale price difference)