A​ & D Window Cleaning performed​ $450 of services but has not yet billed customers for the month. If A​ & D fails to record the adjusting​ entry, what is the impact on the financial​ statements? A. balance​ sheet: assets​ understated; equity overstated income​ statement: expense understated B. balance​ sheet: liabilities​ overstated; equity understated income​ statement: revenues understated C. balance​ sheet: assets​ overstated, equity understated income​ statement: expenses understated D. balance​ sheet: assets​ understated, equity understated income​ statement: revenues understated