Adjusting entry for the Revenue earned:
It is given that the company collects fees when jobs are complete the work. For one customer whose job was bid at $3000 has been completed as of December 31st but the company has not yet been build assuming adjustments are only made a year. So we need to recognize the revenue and receivable amount on Dec. 31.
The adjusting entry as on December 31 for the Revenue earned shall be as follows:
Accounts Receivable Debit $3,000
Service Revenue Credit $3,000
(Being adjustment made for the Revenue earned)