已知∠A=90°,AB=AC,BD平分∠ABC,CE⊥BD,垂足为E,则=( )。
第一次国共合作全面破裂,大革命失败的标志是( )
A.中山舰事件
B.四一二 * *
C.七一五 * *
D.整理党务案
Costs included in the determination of a company’s economic profit that are also most likely to be included in that company’s accounting costs are:()
A. explicit costs.
B. economic depreciation and foregone interest.
C. opportunity costs associated with labor provided by the company’s owners.