Task Billing is an important and inevitable part of task performance: it stands for submitting fees to clients according to the nature of the work performed. As soon as certain task is done, a company or a freelancing professional issues an invoice to customer, so this customer can pay according to this invoice and thereby compensate efforts of contractor – this is called task billing which is an ability to generate whether printed or electronic bills where rendered services and their prices are described and totaled for paying them off within certain period of time.
Tasks can be billed according to certain method that makes sense depending on a type and character of work accomplished. You could use cost accrual methods such as computing billable hours that a worker has spent on this task (according to predefined hourly rate), a fixed price, and one of these ways plus moreover costs of materials used in the work. It is critical for a company to track working hours to bill them properly, as if the firm cannot invoice the client adequately, it does not get paid.