P9-4B The following represents selected information taken from a company's aging schedule to estimate uncollectible accounts receivable at year-end. Instructions (a) Calculate the total estimated bad debts based on the above information. (b) Calculate the bad debts using the allowance method and the aged uncollectible accounts receivable determined in (a). Assume the cur-rent balance in Allowance for Doubtful Accounts is a $3,000 credit. (c) Of the above accounts, $1,600 is determined to be specifically uncollectible. What effects on hte income statement and balance sheet in case using direct write off the uncollectible accounts. (d) Assume eh same in (c), yet what effects on hte income statement and balance sheet in case using allowance appraoch. (e) Explain how establishing an allowance account satisfies the expense recognition principle