Information related to Mingenback Company for 2017 is summarized below. (a) What amount of bad debt expense will Mingenback Company report if it uses the direct write-off method of accounting for bad debts? (b) Assume that Mingenback Company estimates its bad debt expense to be 3% of credit sales. What amount of bad debt expense will Mingenback record if it has an Allowance for Doubtful Accounts credit balance of $4,400? (c) Assume that Mingenback Company estimates its bad debt expense based on 6% of accounts receivable. What amount of bad debt expense will Mingenback record if it has an Allowance for Doubtful Accounts credit balance of $3,400? (d) Assume that Mingenback Company estimates its bad debt expense based on 6% of accounts receivable. What amount of bad debt expense will Mingenback record if it has an Allowance for Doubtful Accounts debit balance of $3,400