Answer:
Credit of $80,000
Explanation:
Big-Mouth Frog Corporation Calculation for Retained earnings
Using this formula
Retained earnings =Revenue- Expenses
Where,
Revenue =$200,000
Expenses =$180,000
Let plug in the formula
Retained earnings =$200,000-$180,000
Retained earnings =$80,000
Therefore when the Income Summary is closed to Retained Earnings, the amount of the credit to Retained Earnings will be $80,000