A.購(gòu)入無(wú)形資產(chǎn) B.出售無(wú)形資產(chǎn) C.對(duì)無(wú)形資產(chǎn)計(jì)提減值準(zhǔn)備 D.攤銷(xiāo)無(wú)形資產(chǎn)