2. A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from

3. An invention is a unique or novel device, method, composition, process or discovery.

4. The procedure for granting patents, the requirements placed on the patentee, and the extent of the exclusive rights vary widely between countries according to national laws and international agreements

5. the granting of a loan and the creation of debt. It is any form of deferred payment

6. can be described as the expenses which are related to the operation of a business, or to the operation of a device, component, piece of equipment or facility.

7. In economics, fixed costs are business expenses that are not dependent on the... decisions by management to spend on certain fixed cost items....

8. Taxes consist of direct tax or indirect tax and may be paid in money or as its lab our equivalent (often but not always unpaid labor).