Answer:
Revenues to be understated.
Step-by-step explanation:
The accrual basis says that revenues are recognized when earned and expenses are recognized when incurred.
In this case, if the legal services have been rendered at the end of the accounting period and no adjusting entry is made there is a situation of understated revenue.
When an accountant says that an amount is understated, it means two things: The amount is not the correct amount, and the amount is less than the true amount.
The adjusting entry that should be done is:
Debit to the liability account Unearned Service Revenue, and a credit to the revenue account Service Revenue.