There are two types of body waves: P-waves and S waves. 1  P - waves - are Primary waves. They travel with a velocity that depends on the elastic properties of the rock through which they travel. 2  S-Waves - Secondary waves, also called shear waves.
GAAP requires the following four financial statements: 1  Balance Sheet - statement of financial position at a given point in time. 2  Income Statement - revenues minus expenses for a given time period ending at a specified date. 3  Statement of Owner's Equity - also known as Statement of Retained Earnings or Equity Statement.
As a manager or business owner, you should be familiar with the basic financial statements used in business. Two of these basic statements are the income statement and the balance sheet. While they both contain essential information for your business, they are very different documents.