Accounting Principles
If everyone involved in the process of accounting followed their own system, or no system at all, there's be no way to truly tell whether a company was profitable or not. Most companies follow what are called generally accepted accounting principles, or GAAP, and there are huge tomes in libraries and bookstores devoted to just this one topic. Unless a company states otherwise, anyone reading a financial statement can make the assumption that company has used GAAP. If GAAP are not the principles used for preparing financial statements, then a business needs to make clear which other form of accounting they're used and are bound to avoid using titles in its financial statements that could mislead the person examining it. GAAP are the gold standard for preparing financial statement. Not disclosing that it has used principles other than GAAP makes a company legally liable for any misleading or misunderstood data. These principles have been fine-tuned over decades and have eff...