When a business receives a utility bill but does not pay it immediately, it should record an expense for utilities and create a liability under accounts payable.
The accounting equation, Assets = Liabilities + Owner's Equity, must remain balanced at all times, no matter the circumstance.
Here, the utility expense increases by $500 on the income statement, while accounts payable increases by $500 on the balance sheet. This expense reduces net income and retained earnings, which lowers the owner's equity accordingly.
The responses indicate that it is more cost-efficient for a sole producer to operate in this market versus multiple producers. Additionally, it is indeed correct that natural monopolies can generate positive profits in the short term without government intervention.