Answer:
Bad debt expense Dr ($140,000 × 1%) $1,400
     To Allowance for doubtful debts $1,400
(Being the bad debt expense is recorded)
Step-by-step explanation:
The adjusting entry is shown below:
Bad debt expense Dr ($140,000 × 1%) $1,400
     To Allowance for doubtful debts $1,400
(Being the bad debt expense is recorded)
Here the bad debt expense is debited as it increased the expenses and credited the allowance for doubtful debts as it decreased the assets