Answer:
If both companies have similar bad debt expenses, but the adjustment entries vary, that means that the ending balances (for 2017) of the allowance for doubtful accounts was different.
Step-by-step explanation:
For example, the ending balances (2017) for the allowance for doubtful accounts for both firms were:
Fowler Landscaping: $500 debit balance
Stanley Cleaning Services: $500 credit balance
the adjustment entry for Fowler Landscaping:
December 31, adjustment entry for bad debt expense
Dr Bad debt expense 4,000
Cr Allowance for doubtful accounts 4,000
the adjustment entry for Stanley Cleaning Services:
December 31, adjustment entry for bad debt expense
Dr Bad debt expense 3,000
Cr Allowance for doubtful accounts 3,000