They suggested not only _______ to the party but also give a performance.

A．did we go

B．should we go

C．we should go

D．our going

下列各项费用，不应计入管理费用的有( )。

A．离退休人员的工资

B．业务招待费

C．发出商品途中保险费

D．管理部门固定资产折旧