Bad debts A) Must be recognized as an expense. B) Must be recognized as a contra-revenue. C) Are only a concern in the case of installment sales. D) Reduce the transaction price that is allocated to separate performance obligations. Allocation of the transaction price to performance obligations: A) Is based on relative standalone selling prices. B) Cannot be based on estimated selling prices. C) May not use the residual method when selling prices are uncertain. D) Is not allowed when bad debts are material