A.1/2 B.2 C.1 D.4
A.邊際效用遞減規(guī)律 B.邊際生產(chǎn)力遞減規(guī)律 C.生產(chǎn)由規(guī)模經(jīng)濟向規(guī)模不經(jīng)濟變動 D.生產(chǎn)的一般規(guī)律
A.150 B.15 C.10 D.25