6、lAccountsisequaltothe() Atotaloftheaccountsreceivableswritten-offduringtheyear BUncollectibleaccountsexpensefortheyear√Ctotalestimateduncollectibleaccountsasoftheendoftheyear Dsumofallaccountsthatarepastdue.第9题(回答正确)WhatisthetypeofaccountandnormalbalanceofAllowanceforDoubtfulAccounts? A