The client's Unique ID is an special key that will be used to bind their data to various objects. By default this key will be generated for each client upon creation. You may modify this value in case there are 2 or more companies that need to be bound to the same data.
An income statement is a type of summary flow report that lists and categorizes the various revenues and expenses that result from business operations during a given period — a year, a quarter or a month. The difference between revenues and expenses represents a company's net income or net loss. Income statements are important to business owners because they represent the bottom line.