A time-tracking system for recording time worked is an example of O assignment of responsibility O physical control. o documentation. O segregation of duties. e Teythookand Media Security cameras and garments sensors to deter theft are examples of assignment of responsibility O physical control O segregation of duties o documentation. The account Allowance for Doubtful Accounts is classified as a(n) contra account to Accounts Receivable. o expense O liability. o contra account to Bad Debts Expense. If a company fails to record estimated bad debts expense, then o the carrying amount is understated. penses areunderstate o receivables are understated. revenues are understate e Textbook and Media