Equity refers to shareholders' capital paid into a company. Shareholders are not required to pay the full share capital upfront, but must pay at least 25% of the funds invested. Earnings per share is the ratio of net earnings divided by the average number of shares, demonstrating the company's profitability on a per share basis. Net profit represents the increase in equity from all business transactions. Paid-up capital refers to the initial price paid by the company when shares were first issued. Assets are things of value owned by the company, which can be tangible or intangible. Liabilities are future obligations to pay third parties resulting from past events. Revenue is income from sales, which can decrease if prices are