a$.$ What amount of bad debt expense will Mingenback Company report if it uses the direct write$-$off method of accounting for uncollectibles?

b$.$ Assume that Mingenback Company uses the percentage$-$of$-$receivables basis to record bad debt expense and concludes that $6\%$ of accounts receivable will become uncollectible. What amount of bad debt expense will Mingenback record if Allowance for Doubtful Accounts has a credit balance of $$3,000?$

b$.$ Bad debt expense $$49,500$

c$.$ Assume the same facts as in $($b$),$ except that there is a $$3,000$ debit balance in Allowance for Doubtful Accounts. What amount of bad debt expense will Mingenback record?

d$.$ What is the weakness of the direct write$-$off method of recording bad debt expense? Journalize entries to record transactions related to bad debts.