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 improvementand to provide a basis by which to measure performance.

A、Benchmarking

B、Quality metric

C、Quality checklist

D、Brainstorming

可变成本不包括( )。

A．原材料
B．燃料
C．包装费
D．其他资产摊销费