Indicate Whether Each of the Following Statements About Financial Statement

Indicate whether each of the following statements about financial statement analysis is true or false.
The reason behind a financial statement ratio or percentage analysis result is usually self-evident and does not require further study or analysis.______
In horizontal percentage analysis,an item from the financial statements is expressed as a percentage of the same item from a previous year's financial statements.______
Horizontal analysis for several years can be done by choosing one year as a base year and calculating increases or decreases in relation to that year.______
One form of horizontal analysis is the preparation of common size financial statements.______
Vertical analysis compares two or more financial statement items within the same time period.______