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Providing for doubtful accounts At the end of the current year, the accounts recelvable account has a debit balance of $1,021,000 and sales for the vear total $11,580,000. a. The allowance account before adjustment has a debit balance of $13,800. Bad debt expense is estimated at 1/2 of 1% of sales. b. The allowance account before adfustment has a debit balance of $13,800. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $44,200. c. The allowance account before adjustment has a credit balance of $5,100. Bad debt expense is estimated at 3/4 of 1% of sales. d. The aliowance account before adjustment has a credit balance of \$\$,100. An aging of the accounts in the customer ledger indicates estimated doubtful accounts of $42,300. Determine the amount of the adjusting entry to provide for doubtul accounts under each of the assumptions (a through d) bated above. a. b. c. 1 d. 5