$($Appendix $7$A$)$ Why would an activity$-$based costing system that is designed for internal decision making NOT conform to generally accepted accounting principles?

Multiple Choice

Some manufacturing costs $($i$.$e$.,$ the costs of idle capacity and organization$-$sustaining costs$)$ will not be assigned to products.

Some non$-$manufacturing costs are assigned to products.

First$-$stage allocations may be based on subjective interview data.

All of the above.