Classify the following accounts: cash at bank, sales revenue, accounts receivable, drawings. Cash at bank = equity, sales revenue = income, accounts receivable = liability, drawings = expense. Cash at bank = asset, sales revenue = income, accounts receivable = asset, drawings = expense. Cash at bank = asset, sales revenue = income, accounts receivable = asset, drawings = equity. Cash at bank = asset, sales revenue = expense, accounts receivable = liability, drawings = liability