Allowance for Doubtful Accounts has a debit balance of $2,300 at the end of the year (before adjustment). The company prepares an analysis of customers' accounts and estimates the amount of uncollectible accounts to be $31,900. Which of the following adjusting entries is needed to record the Bad Debt Expense for the year? Oa. debit Allowance for Doubtful Accounts, $29,600; credit Bad Debt Expense, $29,600 b. debit Bad Debt Expense, $34,200; credit Allowance for Doubtful Accounts, $34,200 Oc. debit Bad Debt Expense, $29,600; credit Allowance for Doubtful Accounts, $29,600 Od. debit Allowance for Doubtful Accounts, $34,200; credit Bad Debt Expense, $34,200