1. Cost centre: This is a section, unit or department within an organisation where costs may be attributed and tracked separately.
A cost centre is a collection of activities that a manager wishes to track as a group to better understand the expenses necessary to support an organisation.
Cost centres do not directly generate revenue or profit, instead, their main goal is to minimize or eliminate loss.
Examples of cost centres within an organization include the accounting department, research and development, human resource department, and others.
2. Cost unit: Costs are always related to some object, function, service or good.
For example, we can say the cost of a car, a ton of coal, a haircut etc.
Such units are known as cost units.
A cost unit can be defined as a product or service or activity in relation to which cost is estimated and ascertained.
Cost unit is cost expressed or measured in terms of a specific commodity.
It refers to a unit of measurement for costs incurred by an organization.
For example, the cost unit of the university would be a student, a course and a degree program.