零售商业物业的租金是以每一个独立出租单元的（）为基础计算的。

A．建筑面积

B．总出租面积

C．可出租面积

D．营业面积

Quality planning tools are often used to help plan effective quality management activities . （）is one of such tools, which involves company actual or planned project practices to those or other projects to generate ideas for improvement and to provide a basis by which to measure performance.

A.Benchmarking

B.Quality metric

C.Quality checklist

D.Brainstornung