In: Accounting
Since, multiple questions have been posted, I have answered the first one.
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A):
A business is operated and managed by any company to earn profits. With the help of accounting, the day to day business transactions are recorded in the financial statements of the company (such as income statement, balance sheet and cash flow statement). Accounting is essential to keep a track of company's revenues, expenditures, gains, losses, assets and liabilities.
Knowledge of accounting is important for a businessman to ensure:
a) that the transactions are recorded in the books of accounts in a timely manner (that is, as and when they occur),
b) that the relevant accounting principles, procedures and standards have been followed in preparation of financial statements,
c) that the accounting data is relevant and of use to various internal stakeholders (such as management and employees) and external stakeholders (such as lenders, investors, creditors and government authorities). For Instance, accounting provides the information that is required by tax authorities to determine the tax liability of the company.
Without accounting, it is practically impossible for a businessman to measure, evaluate and compare the performance of its company with other players in the industry. Accounting serves as the basis for preparing budgets, making financial projections for the future and identifying deviations from expected financial performance. Important business decisions such as expansion into new markets, introduction of new products, exit from non-profitable markets and discontinuance of non-performing products are made with the use of accounting.