Answer:
estimated bad debt expense = $140,000 x 6% = $8,400
a) balance of allowance for doubtful accounts = $2,380
$8,400 - $2,380 = $6,020
Dr Bad debt expense 6,020
Cr Allowance for doubtful accounts 6,020
b) balance of allowance for doubtful accounts = ($700)
$8,400 + $700 = $7,100
Dr Bad debt expense 7,100
Cr Allowance for doubtful accounts 7,100
Allowance for doubtful accounts is a contra asset account with a normal credit balance.