An activity$-$based costing system that is designed for internal decision$-$making will not conform to gererrally accepted accounting principles because

under activity$-$based costing some manufacturing costs $($ie$.$ the costs of ide capacity and o benization$-$sustaining costs$)$ will not be assigned to products.

$($B$)$ under activity$-$based costing the sum of all product costs does nor equal the total costs of the company.

activity$-$based costing has not been approved by the United Natons Internatona Accounting Boand.

activity$-$based costing results n less accurate costs than mone tradiona costing methods based on cirect abornours or machine$-$hours.